Finding the Fourth Proportional to 31,149.45, 42,984.54 and 17,001.99

Step by Step Solution

1. Step 1: Write the proportion equation
   31,149.45 : 42,984.54 = 17,001.99 : x
2. Step 2: Convert to fraction form
   31,149.45/42,984.54 = 17,001.99/x
3. Step 3: Cross multiply
   31,149.45x = 42,984.54 × 17,001.99
4. Step 4: Simplify right side
   31,149.45x = 730,822,719.23
5. Step 5: Solve for x
   x = 730,822,719.23/31,149.45
6. Step 6: Final answer
   x = 23,461.82