Finding the Fourth Proportional to 39,880.72, 59,831.46 and 14,922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880.72 : 59,831.46 = 14,922.72 : x
2. Step 2: Convert to fraction form
   39,880.72/59,831.46 = 14,922.72/x
3. Step 3: Cross multiply
   39,880.72x = 59,831.46 × 14,922.72
4. Step 4: Simplify right side
   39,880.72x = 892,848,124.77
5. Step 5: Solve for x
   x = 892,848,124.77/39,880.72
6. Step 6: Final answer
   x = 22,387.96