Finding the Fourth Proportional to 95,123.33, 142,691.15 and 31,940.90

Step by Step Solution

1. Step 1: Write the proportion equation
   95,123.33 : 142,691.15 = 31,940.90 : x
2. Step 2: Convert to fraction form
   95,123.33/142,691.15 = 31,940.90/x
3. Step 3: Cross multiply
   95,123.33x = 142,691.15 × 31,940.90
4. Step 4: Simplify right side
   95,123.33x = 4,557,683,753.04
5. Step 5: Solve for x
   x = 4,557,683,753.04/95,123.33
6. Step 6: Final answer
   x = 47,913.42