Finding the Fourth Proportional to 31,488, 43,453.50 and 17,342.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488 : 43,453.50 = 17,342.16 : x
2. Step 2: Convert to fraction form
   31,488/43,453.50 = 17,342.16/x
3. Step 3: Cross multiply
   31,488x = 43,453.50 × 17,342.16
4. Step 4: Simplify right side
   31,488x = 753,577,549.56
5. Step 5: Solve for x
   x = 753,577,549.56/31,488
6. Step 6: Final answer
   x = 23,932.21