Finding the Fourth Proportional to 10,807,165.54, 16,205,874.52 and 5,340,128.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807,165.54 : 16,205,874.52 = 5,340,128.91 : x
2. Step 2: Convert to fraction form
   10,807,165.54/16,205,874.52 = 5,340,128.91/x
3. Step 3: Cross multiply
   10,807,165.54x = 16,205,874.52 × 5,340,128.91
4. Step 4: Simplify right side
   10,807,165.54x = 86,541,458,971,066.41
5. Step 5: Solve for x
   x = 86,541,458,971,066.41/10,807,165.54
6. Step 6: Final answer
   x = 8,007,785.08