Finding the Fourth Proportional to 30,498.43, 42,088.04 and 17,070.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,498.43 : 42,088.04 = 17,070.92 : x
2. Step 2: Convert to fraction form
   30,498.43/42,088.04 = 17,070.92/x
3. Step 3: Cross multiply
   30,498.43x = 42,088.04 × 17,070.92
4. Step 4: Simplify right side
   30,498.43x = 718,481,711.69
5. Step 5: Solve for x
   x = 718,481,711.69/30,498.43
6. Step 6: Final answer
   x = 23,557.99