Finding the Fourth Proportional to 42,721.16, 58,527.02 and 41,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,721.16 : 58,527.02 = 41,123.89 : x
2. Step 2: Convert to fraction form
   42,721.16/58,527.02 = 41,123.89/x
3. Step 3: Cross multiply
   42,721.16x = 58,527.02 × 41,123.89
4. Step 4: Simplify right side
   42,721.16x = 2,406,858,689.00
5. Step 5: Solve for x
   x = 2,406,858,689.00/42,721.16
6. Step 6: Final answer
   x = 56,338.79