Finding the Fourth Proportional to 139,801.73, 209,686.89 and 38,614.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,801.73 : 209,686.89 = 38,614.16 : x
2. Step 2: Convert to fraction form
   139,801.73/209,686.89 = 38,614.16/x
3. Step 3: Cross multiply
   139,801.73x = 209,686.89 × 38,614.16
4. Step 4: Simplify right side
   139,801.73x = 8,096,883,789.38
5. Step 5: Solve for x
   x = 8,096,883,789.38/139,801.73
6. Step 6: Final answer
   x = 57,916.91