Finding the Fourth Proportional to 9,177,714.32, 12,666,831.04 and 5,312,366.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,177,714.32 : 12,666,831.04 = 5,312,366.72 : x
2. Step 2: Convert to fraction form
   9,177,714.32/12,666,831.04 = 5,312,366.72/x
3. Step 3: Cross multiply
   9,177,714.32x = 12,666,831.04 × 5,312,366.72
4. Step 4: Simplify right side
   9,177,714.32x = 67,290,851,664,758.98
5. Step 5: Solve for x
   x = 67,290,851,664,758.98/9,177,714.32
6. Step 6: Final answer
   x = 7,331,983.69