Finding the Fourth Proportional to 102,831,497.98, 141,907,736.71 and 55,788,569.02

Step by Step Solution

1. Step 1: Write the proportion equation
   102,831,497.98 : 141,907,736.71 = 55,788,569.02 : x
2. Step 2: Convert to fraction form
   102,831,497.98/141,907,736.71 = 55,788,569.02/x
3. Step 3: Cross multiply
   102,831,497.98x = 141,907,736.71 × 55,788,569.02
4. Step 4: Simplify right side
   102,831,497.98x = 7,916,829,564,407,505
5. Step 5: Solve for x
   x = 7,916,829,564,407,505/102,831,497.98
6. Step 6: Final answer
   x = 76,988,371.46