Finding the Fourth Proportional to 75,976, 104,846.92 and 42,442

Step by Step Solution

1. Step 1: Write the proportion equation
   75,976 : 104,846.92 = 42,442 : x
2. Step 2: Convert to fraction form
   75,976/104,846.92 = 42,442/x
3. Step 3: Cross multiply
   75,976x = 104,846.92 × 42,442
4. Step 4: Simplify right side
   75,976x = 4,449,912,978.64
5. Step 5: Solve for x
   x = 4,449,912,978.64/75,976
6. Step 6: Final answer
   x = 58,569.98