Finding the Fourth Proportional to 31,148.56, 42,984.84 and 17,001.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,148.56 : 42,984.84 = 17,001.10 : x
2. Step 2: Convert to fraction form
   31,148.56/42,984.84 = 17,001.10/x
3. Step 3: Cross multiply
   31,148.56x = 42,984.84 × 17,001.10
4. Step 4: Simplify right side
   31,148.56x = 730,789,563.32
5. Step 5: Solve for x
   x = 730,789,563.32/31,148.56
6. Step 6: Final answer
   x = 23,461.42