Finding the Fourth Proportional to 12,593.16, 18,892.56 and 3,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,593.16 : 18,892.56 = 3,708.72 : x
2. Step 2: Convert to fraction form
   12,593.16/18,892.56 = 3,708.72/x
3. Step 3: Cross multiply
   12,593.16x = 18,892.56 × 3,708.72
4. Step 4: Simplify right side
   12,593.16x = 70,067,215.12
5. Step 5: Solve for x
   x = 70,067,215.12/12,593.16
6. Step 6: Final answer
   x = 5,563.91