Finding the Fourth Proportional to 31,034.91, 42,828.12 and 17,608.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034.91 : 42,828.12 = 17,608.80 : x
2. Step 2: Convert to fraction form
   31,034.91/42,828.12 = 17,608.80/x
3. Step 3: Cross multiply
   31,034.91x = 42,828.12 × 17,608.80
4. Step 4: Simplify right side
   31,034.91x = 754,151,799.46
5. Step 5: Solve for x
   x = 754,151,799.46/31,034.91
6. Step 6: Final answer
   x = 24,300.11