Finding the Fourth Proportional to 31,391.99, 43,321.24 and 17,244.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,391.99 : 43,321.24 = 17,244.82 : x
2. Step 2: Convert to fraction form
   31,391.99/43,321.24 = 17,244.82/x
3. Step 3: Cross multiply
   31,391.99x = 43,321.24 × 17,244.82
4. Step 4: Simplify right side
   31,391.99x = 747,066,985.98
5. Step 5: Solve for x
   x = 747,066,985.98/31,391.99
6. Step 6: Final answer
   x = 23,798.01