Finding the Fourth Proportional to 144,020,081.82, 216,021,154.66 and 88,698,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,020,081.82 : 216,021,154.66 = 88,698,443.84 : x
2. Step 2: Convert to fraction form
   144,020,081.82/216,021,154.66 = 88,698,443.84/x
3. Step 3: Cross multiply
   144,020,081.82x = 216,021,154.66 × 88,698,443.84
4. Step 4: Simplify right side
   144,020,081.82x = 19,160,740,254,861,964
5. Step 5: Solve for x
   x = 19,160,740,254,861,964/144,020,081.82
6. Step 6: Final answer
   x = 133,042,142.55