Finding the Fourth Proportional to 12,581,330.18, 18,868,875.15 and 5,392,048.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581,330.18 : 18,868,875.15 = 5,392,048.82 : x
2. Step 2: Convert to fraction form
   12,581,330.18/18,868,875.15 = 5,392,048.82/x
3. Step 3: Cross multiply
   12,581,330.18x = 18,868,875.15 × 5,392,048.82
4. Step 4: Simplify right side
   12,581,330.18x = 101,741,895,987,284.83
5. Step 5: Solve for x
   x = 101,741,895,987,284.83/12,581,330.18
6. Step 6: Final answer
   x = 8,086,736.02