Finding the Fourth Proportional to 38,892.48, 58,334.82 and 13,931.52

Step by Step Solution

1. Step 1: Write the proportion equation
   38,892.48 : 58,334.82 = 13,931.52 : x
2. Step 2: Convert to fraction form
   38,892.48/58,334.82 = 13,931.52/x
3. Step 3: Cross multiply
   38,892.48x = 58,334.82 × 13,931.52
4. Step 4: Simplify right side
   38,892.48x = 812,692,711.53
5. Step 5: Solve for x
   x = 812,692,711.53/38,892.48
6. Step 6: Final answer
   x = 20,895.88