Finding the Fourth Proportional to 8,998,978.08, 13,499,873.28 and 2,932,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,998,978.08 : 13,499,873.28 = 2,932,302.72 : x
2. Step 2: Convert to fraction form
   8,998,978.08/13,499,873.28 = 2,932,302.72/x
3. Step 3: Cross multiply
   8,998,978.08x = 13,499,873.28 × 2,932,302.72
4. Step 4: Simplify right side
   8,998,978.08x = 39,585,715,138,599.32
5. Step 5: Solve for x
   x = 39,585,715,138,599.32/8,998,978.08
6. Step 6: Final answer
   x = 4,398,912.28