Finding the Fourth Proportional to 10,388,129.57, 15,582,190.71 and 2,815,095.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388,129.57 : 15,582,190.71 = 2,815,095.32 : x
2. Step 2: Convert to fraction form
   10,388,129.57/15,582,190.71 = 2,815,095.32/x
3. Step 3: Cross multiply
   10,388,129.57x = 15,582,190.71 × 2,815,095.32
4. Step 4: Simplify right side
   10,388,129.57x = 43,865,352,143,068.48
5. Step 5: Solve for x
   x = 43,865,352,143,068.48/10,388,129.57
6. Step 6: Final answer
   x = 4,222,641.99