Finding the Fourth Proportional to 31,359.57, 43,276.53 and 17,019.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,359.57 : 43,276.53 = 17,019.53 : x
2. Step 2: Convert to fraction form
   31,359.57/43,276.53 = 17,019.53/x
3. Step 3: Cross multiply
   31,359.57x = 43,276.53 × 17,019.53
4. Step 4: Simplify right side
   31,359.57x = 736,545,992.91
5. Step 5: Solve for x
   x = 736,545,992.91/31,359.57
6. Step 6: Final answer
   x = 23,487.12