Finding the Fourth Proportional to 83,616.16, 125,427.12 and 42,040.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,616.16 : 125,427.12 = 42,040.48 : x
2. Step 2: Convert to fraction form
   83,616.16/125,427.12 = 42,040.48/x
3. Step 3: Cross multiply
   83,616.16x = 125,427.12 × 42,040.48
4. Step 4: Simplify right side
   83,616.16x = 5,273,016,329.82
5. Step 5: Solve for x
   x = 5,273,016,329.82/83,616.16
6. Step 6: Final answer
   x = 63,062.17