Finding the Fourth Proportional to 72,233.27, 108,278.82 and 42,209.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,233.27 : 108,278.82 = 42,209.41 : x
2. Step 2: Convert to fraction form
   72,233.27/108,278.82 = 42,209.41/x
3. Step 3: Cross multiply
   72,233.27x = 108,278.82 × 42,209.41
4. Step 4: Simplify right side
   72,233.27x = 4,570,385,107.70
5. Step 5: Solve for x
   x = 4,570,385,107.70/72,233.27
6. Step 6: Final answer
   x = 63,272.58