Finding the Fourth Proportional to 31,130.82, 42,959.61 and 17,703.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,130.82 : 42,959.61 = 17,703.54 : x
2. Step 2: Convert to fraction form
   31,130.82/42,959.61 = 17,703.54/x
3. Step 3: Cross multiply
   31,130.82x = 42,959.61 × 17,703.54
4. Step 4: Simplify right side
   31,130.82x = 760,537,174.02
5. Step 5: Solve for x
   x = 760,537,174.02/31,130.82
6. Step 6: Final answer
   x = 24,430.36