Finding the Fourth Proportional to 83,686.52, 115,488.22 and 45,960.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,686.52 : 115,488.22 = 45,960.78 : x
2. Step 2: Convert to fraction form
   83,686.52/115,488.22 = 45,960.78/x
3. Step 3: Cross multiply
   83,686.52x = 115,488.22 × 45,960.78
4. Step 4: Simplify right side
   83,686.52x = 5,307,928,672.01
5. Step 5: Solve for x
   x = 5,307,928,672.01/83,686.52
6. Step 6: Final answer
   x = 63,426.33