Finding the Fourth Proportional to 23,315,894.72, 32,175,872.16 and 13,002,629.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,315,894.72 : 32,175,872.16 = 13,002,629.12 : x
2. Step 2: Convert to fraction form
   23,315,894.72/32,175,872.16 = 13,002,629.12/x
3. Step 3: Cross multiply
   23,315,894.72x = 32,175,872.16 × 13,002,629.12
4. Step 4: Simplify right side
   23,315,894.72x = 418,370,932,309,013.25
5. Step 5: Solve for x
   x = 418,370,932,309,013.25/23,315,894.72
6. Step 6: Final answer
   x = 17,943,593.30