Finding the Fourth Proportional to 21,572,166.72, 32,358,338.88 and 5,398,073.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,572,166.72 : 32,358,338.88 = 5,398,073.76 : x
2. Step 2: Convert to fraction form
   21,572,166.72/32,358,338.88 = 5,398,073.76/x
3. Step 3: Cross multiply
   21,572,166.72x = 32,358,338.88 × 5,398,073.76
4. Step 4: Simplify right side
   21,572,166.72x = 174,672,700,025,315.78
5. Step 5: Solve for x
   x = 174,672,700,025,315.78/21,572,166.72
6. Step 6: Final answer
   x = 8,097,132.86