Finding the Fourth Proportional to 75,658, 104,411.28 and 42,124

Step by Step Solution

1. Step 1: Write the proportion equation
   75,658 : 104,411.28 = 42,124 : x
2. Step 2: Convert to fraction form
   75,658/104,411.28 = 42,124/x
3. Step 3: Cross multiply
   75,658x = 104,411.28 × 42,124
4. Step 4: Simplify right side
   75,658x = 4,398,220,758.72
5. Step 5: Solve for x
   x = 4,398,220,758.72/75,658
6. Step 6: Final answer
   x = 58,132.92