Finding the Fourth Proportional to 83,454.42, 115,167.06 and 45,728.58

Step by Step Solution

1. Step 1: Write the proportion equation
   83,454.42 : 115,167.06 = 45,728.58 : x
2. Step 2: Convert to fraction form
   83,454.42/115,167.06 = 45,728.58/x
3. Step 3: Cross multiply
   83,454.42x = 115,167.06 × 45,728.58
4. Step 4: Simplify right side
   83,454.42x = 5,266,426,116.57
5. Step 5: Solve for x
   x = 5,266,426,116.57/83,454.42
6. Step 6: Final answer
   x = 63,105.42