Finding the Fourth Proportional to 12,899.40, 17,801.52 and 7,593.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,899.40 : 17,801.52 = 7,593.24 : x
2. Step 2: Convert to fraction form
   12,899.40/17,801.52 = 7,593.24/x
3. Step 3: Cross multiply
   12,899.40x = 17,801.52 × 7,593.24
4. Step 4: Simplify right side
   12,899.40x = 135,171,213.72
5. Step 5: Solve for x
   x = 135,171,213.72/12,899.40
6. Step 6: Final answer
   x = 10,478.88