Finding the Fourth Proportional to 42,281.98, 58,348.49 and 23,161.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,281.98 : 58,348.49 = 23,161.61 : x
2. Step 2: Convert to fraction form
   42,281.98/58,348.49 = 23,161.61/x
3. Step 3: Cross multiply
   42,281.98x = 58,348.49 × 23,161.61
4. Step 4: Simplify right side
   42,281.98x = 1,351,444,999.53
5. Step 5: Solve for x
   x = 1,351,444,999.53/42,281.98
6. Step 6: Final answer
   x = 31,962.67