Finding the Fourth Proportional to 31,129.05, 42,959.29 and 17,701.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,129.05 : 42,959.29 = 17,701.52 : x
2. Step 2: Convert to fraction form
   31,129.05/42,959.29 = 17,701.52/x
3. Step 3: Cross multiply
   31,129.05x = 42,959.29 × 17,701.52
4. Step 4: Simplify right side
   31,129.05x = 760,444,731.12
5. Step 5: Solve for x
   x = 760,444,731.12/31,129.05
6. Step 6: Final answer
   x = 24,428.78