Finding the Fourth Proportional to 22,565,931.64, 31,140,112.32 and 12,252,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565,931.64 : 31,140,112.32 = 12,252,418.72 : x
2. Step 2: Convert to fraction form
   22,565,931.64/31,140,112.32 = 12,252,418.72/x
3. Step 3: Cross multiply
   22,565,931.64x = 31,140,112.32 × 12,252,418.72
4. Step 4: Simplify right side
   22,565,931.64x = 381,541,695,132,470.62
5. Step 5: Solve for x
   x = 381,541,695,132,470.62/22,565,931.64
6. Step 6: Final answer
   x = 16,907,863.64