Finding the Fourth Proportional to 83,686.56, 115,488.37 and 45,960.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,686.56 : 115,488.37 = 45,960.81 : x
2. Step 2: Convert to fraction form
   83,686.56/115,488.37 = 45,960.81/x
3. Step 3: Cross multiply
   83,686.56x = 115,488.37 × 45,960.81
4. Step 4: Simplify right side
   83,686.56x = 5,307,939,030.78
5. Step 5: Solve for x
   x = 5,307,939,030.78/83,686.56
6. Step 6: Final answer
   x = 63,426.42