Finding the Fourth Proportional to 31,053.79, 42,861.90 and 17,632.90

Step by Step Solution

1. Step 1: Write the proportion equation
   31,053.79 : 42,861.90 = 17,632.90 : x
2. Step 2: Convert to fraction form
   31,053.79/42,861.90 = 17,632.90/x
3. Step 3: Cross multiply
   31,053.79x = 42,861.90 × 17,632.90
4. Step 4: Simplify right side
   31,053.79x = 755,779,596.51
5. Step 5: Solve for x
   x = 755,779,596.51/31,053.79
6. Step 6: Final answer
   x = 24,337.76