Finding the Fourth Proportional to 10,998,470.40, 16,491,078 and 4,932,105.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998,470.40 : 16,491,078 = 4,932,105.36 : x
2. Step 2: Convert to fraction form
   10,998,470.40/16,491,078 = 4,932,105.36/x
3. Step 3: Cross multiply
   10,998,470.40x = 16,491,078 × 4,932,105.36
4. Step 4: Simplify right side
   10,998,470.40x = 81,335,734,195,978.08
5. Step 5: Solve for x
   x = 81,335,734,195,978.08/10,998,470.40
6. Step 6: Final answer
   x = 7,395,185.99