Finding the Fourth Proportional to 144,648,199,046.05, 199,625,680,913.28 and 86,778,746,222.06

Step by Step Solution

1. Step 1: Write the proportion equation
   144,648,199,046.05 : 199,625,680,913.28 = 86,778,746,222.06 : x
2. Step 2: Convert to fraction form
   144,648,199,046.05/199,625,680,913.28 = 86,778,746,222.06/x
3. Step 3: Cross multiply
   144,648,199,046.05x = 199,625,680,913.28 × 86,778,746,222.06
4. Step 4: Simplify right side
   144,648,199,046.05x = 17,323,266,303,378,451,333,120
5. Step 5: Solve for x
   x = 17,323,266,303,378,451,333,120/144,648,199,046.05
6. Step 6: Final answer
   x = 119,761,368,738.95