Finding the Fourth Proportional to 10,947,847.72, 15,104,711.52 and 7,640,053.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947,847.72 : 15,104,711.52 = 7,640,053.96 : x
2. Step 2: Convert to fraction form
   10,947,847.72/15,104,711.52 = 7,640,053.96/x
3. Step 3: Cross multiply
   10,947,847.72x = 15,104,711.52 × 7,640,053.96
4. Step 4: Simplify right side
   10,947,847.72x = 115,400,811,063,033.61
5. Step 5: Solve for x
   x = 115,400,811,063,033.61/10,947,847.72
6. Step 6: Final answer
   x = 10,540,958.74