Finding the Fourth Proportional to 31,132.43, 42,962.54 and 17,703.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132.43 : 42,962.54 = 17,703.68 : x
2. Step 2: Convert to fraction form
   31,132.43/42,962.54 = 17,703.68/x
3. Step 3: Cross multiply
   31,132.43x = 42,962.54 × 17,703.68
4. Step 4: Simplify right side
   31,132.43x = 760,594,756.82
5. Step 5: Solve for x
   x = 760,594,756.82/31,132.43
6. Step 6: Final answer
   x = 24,430.95