Finding the Fourth Proportional to 30,710.76, 42,380.20 and 17,098.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,710.76 : 42,380.20 = 17,098.62 : x
2. Step 2: Convert to fraction form
   30,710.76/42,380.20 = 17,098.62/x
3. Step 3: Cross multiply
   30,710.76x = 42,380.20 × 17,098.62
4. Step 4: Simplify right side
   30,710.76x = 724,642,935.32
5. Step 5: Solve for x
   x = 724,642,935.32/30,710.76
6. Step 6: Final answer
   x = 23,595.73