Finding the Fourth Proportional to 10,123.71, 13,972.10 and 5,874.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.71 : 13,972.10 = 5,874.86 : x
2. Step 2: Convert to fraction form
   10,123.71/13,972.10 = 5,874.86/x
3. Step 3: Cross multiply
   10,123.71x = 13,972.10 × 5,874.86
4. Step 4: Simplify right side
   10,123.71x = 82,084,032.17
5. Step 5: Solve for x
   x = 82,084,032.17/10,123.71
6. Step 6: Final answer
   x = 8,108.10