Finding the Fourth Proportional to 83,443.18, 115,152.16 and 45,718.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443.18 : 115,152.16 = 45,718.78 : x
2. Step 2: Convert to fraction form
   83,443.18/115,152.16 = 45,718.78/x
3. Step 3: Cross multiply
   83,443.18x = 115,152.16 × 45,718.78
4. Step 4: Simplify right side
   83,443.18x = 5,264,616,269.56
5. Step 5: Solve for x
   x = 5,264,616,269.56/83,443.18
6. Step 6: Final answer
   x = 63,092.23