Finding the Fourth Proportional to 31,148.34, 42,984.37 and 17,001.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,148.34 : 42,984.37 = 17,001.06 : x
2. Step 2: Convert to fraction form
   31,148.34/42,984.37 = 17,001.06/x
3. Step 3: Cross multiply
   31,148.34x = 42,984.37 × 17,001.06
4. Step 4: Simplify right side
   31,148.34x = 730,779,853.43
5. Step 5: Solve for x
   x = 730,779,853.43/31,148.34
6. Step 6: Final answer
   x = 23,461.28