Finding the Fourth Proportional to 10,387,107.72, 15,580,978.99 and 3,563,585.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387,107.72 : 15,580,978.99 = 3,563,585.19 : x
2. Step 2: Convert to fraction form
   10,387,107.72/15,580,978.99 = 3,563,585.19/x
3. Step 3: Cross multiply
   10,387,107.72x = 15,580,978.99 × 3,563,585.19
4. Step 4: Simplify right side
   10,387,107.72x = 55,524,145,965,556.20
5. Step 5: Solve for x
   x = 55,524,145,965,556.20/10,387,107.72
6. Step 6: Final answer
   x = 5,345,486.68