Finding the Fourth Proportional to 42,417.38, 63,597.98 and 20,234.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,417.38 : 63,597.98 = 20,234.18 : x
2. Step 2: Convert to fraction form
   42,417.38/63,597.98 = 20,234.18/x
3. Step 3: Cross multiply
   42,417.38x = 63,597.98 × 20,234.18
4. Step 4: Simplify right side
   42,417.38x = 1,286,852,707.55
5. Step 5: Solve for x
   x = 1,286,852,707.55/42,417.38
6. Step 6: Final answer
   x = 30,337.87