Finding the Fourth Proportional to 83,453.25, 115,165.50 and 45,728.31

Step by Step Solution

1. Step 1: Write the proportion equation
   83,453.25 : 115,165.50 = 45,728.31 : x
2. Step 2: Convert to fraction form
   83,453.25/115,165.50 = 45,728.31/x
3. Step 3: Cross multiply
   83,453.25x = 115,165.50 × 45,728.31
4. Step 4: Simplify right side
   83,453.25x = 5,266,323,685.31
5. Step 5: Solve for x
   x = 5,266,323,685.31/83,453.25
6. Step 6: Final answer
   x = 63,105.08