Finding the Fourth Proportional to 89,177,961,498.13, 133,590,422,947.98 and 77,998,459,012.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,177,961,498.13 : 133,590,422,947.98 = 77,998,459,012.52 : x
2. Step 2: Convert to fraction form
   89,177,961,498.13/133,590,422,947.98 = 77,998,459,012.52/x
3. Step 3: Cross multiply
   89,177,961,498.13x = 133,590,422,947.98 × 77,998,459,012.52
4. Step 4: Simplify right side
   89,177,961,498.13x = 10,419,847,128,773,229,019,136
5. Step 5: Solve for x
   x = 10,419,847,128,773,229,019,136/89,177,961,498.13
6. Step 6: Final answer
   x = 116,843,297,982.23