Finding the Fourth Proportional to 9,639,443.20, 14,449,076.16 and 3,247,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,639,443.20 : 14,449,076.16 = 3,247,486.72 : x
2. Step 2: Convert to fraction form
   9,639,443.20/14,449,076.16 = 3,247,486.72/x
3. Step 3: Cross multiply
   9,639,443.20x = 14,449,076.16 × 3,247,486.72
4. Step 4: Simplify right side
   9,639,443.20x = 46,923,182,945,868.60
5. Step 5: Solve for x
   x = 46,923,182,945,868.60/9,639,443.20
6. Step 6: Final answer
   x = 4,867,831.26