Finding the Fourth Proportional to 83,686.50, 115,488.18 and 45,961.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,686.50 : 115,488.18 = 45,961.56 : x
2. Step 2: Convert to fraction form
   83,686.50/115,488.18 = 45,961.56/x
3. Step 3: Cross multiply
   83,686.50x = 115,488.18 × 45,961.56
4. Step 4: Simplify right side
   83,686.50x = 5,308,016,914.36
5. Step 5: Solve for x
   x = 5,308,016,914.36/83,686.50
6. Step 6: Final answer
   x = 63,427.40