Finding the Fourth Proportional to 42,242.59, 58,293.89 and 23,121.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,242.59 : 58,293.89 = 23,121.92 : x
2. Step 2: Convert to fraction form
   42,242.59/58,293.89 = 23,121.92/x
3. Step 3: Cross multiply
   42,242.59x = 58,293.89 × 23,121.92
4. Step 4: Simplify right side
   42,242.59x = 1,347,866,253.99
5. Step 5: Solve for x
   x = 1,347,866,253.99/42,242.59
6. Step 6: Final answer
   x = 31,907.76