Finding the Fourth Proportional to 102,061.62, 153,100.53 and 31,940.73

Step by Step Solution

1. Step 1: Write the proportion equation
   102,061.62 : 153,100.53 = 31,940.73 : x
2. Step 2: Convert to fraction form
   102,061.62/153,100.53 = 31,940.73/x
3. Step 3: Cross multiply
   102,061.62x = 153,100.53 × 31,940.73
4. Step 4: Simplify right side
   102,061.62x = 4,890,142,691.59
5. Step 5: Solve for x
   x = 4,890,142,691.59/102,061.62
6. Step 6: Final answer
   x = 47,913.63