Finding the Fourth Proportional to 102,164,280.54, 140,989,696.15 and 55,757,510.94

Step by Step Solution

1. Step 1: Write the proportion equation
   102,164,280.54 : 140,989,696.15 = 55,757,510.94 : x
2. Step 2: Convert to fraction form
   102,164,280.54/140,989,696.15 = 55,757,510.94/x
3. Step 3: Cross multiply
   102,164,280.54x = 140,989,696.15 × 55,757,510.94
4. Step 4: Simplify right side
   102,164,280.54x = 7,861,234,525,510,901
5. Step 5: Solve for x
   x = 7,861,234,525,510,901/102,164,280.54
6. Step 6: Final answer
   x = 76,946,996.39