Finding the Fourth Proportional to 42,108.48, 58,360.80 and 41,321.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.48 : 58,360.80 = 41,321.28 : x
2. Step 2: Convert to fraction form
   42,108.48/58,360.80 = 41,321.28/x
3. Step 3: Cross multiply
   42,108.48x = 58,360.80 × 41,321.28
4. Step 4: Simplify right side
   42,108.48x = 2,411,542,957.82
5. Step 5: Solve for x
   x = 2,411,542,957.82/42,108.48
6. Step 6: Final answer
   x = 57,269.77