Finding the Fourth Proportional to 99,550,053,960.56, 137,391,656,753.18 and 65,284,588,276.51

Step by Step Solution

1. Step 1: Write the proportion equation
   99,550,053,960.56 : 137,391,656,753.18 = 65,284,588,276.51 : x
2. Step 2: Convert to fraction form
   99,550,053,960.56/137,391,656,753.18 = 65,284,588,276.51/x
3. Step 3: Cross multiply
   99,550,053,960.56x = 137,391,656,753.18 × 65,284,588,276.51
4. Step 4: Simplify right side
   99,550,053,960.56x = 8,969,557,743,758,940,831,744
5. Step 5: Solve for x
   x = 8,969,557,743,758,940,831,744/99,550,053,960.56
6. Step 6: Final answer
   x = 90,100,983,243.19