Finding the Fourth Proportional to 83,594.16, 125,391.24 and 42,012

Step by Step Solution

1. Step 1: Write the proportion equation
   83,594.16 : 125,391.24 = 42,012 : x
2. Step 2: Convert to fraction form
   83,594.16/125,391.24 = 42,012/x
3. Step 3: Cross multiply
   83,594.16x = 125,391.24 × 42,012
4. Step 4: Simplify right side
   83,594.16x = 5,267,936,774.88
5. Step 5: Solve for x
   x = 5,267,936,774.88/83,594.16
6. Step 6: Final answer
   x = 63,018