Finding the Fourth Proportional to 42,120.96, 58,121.22 and 23,972.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120.96 : 58,121.22 = 23,972.10 : x
2. Step 2: Convert to fraction form
   42,120.96/58,121.22 = 23,972.10/x
3. Step 3: Cross multiply
   42,120.96x = 58,121.22 × 23,972.10
4. Step 4: Simplify right side
   42,120.96x = 1,393,287,697.96
5. Step 5: Solve for x
   x = 1,393,287,697.96/42,120.96
6. Step 6: Final answer
   x = 33,078.25