Finding the Fourth Proportional to 83,555.72, 115,306.41 and 45,314.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,555.72 : 115,306.41 = 45,314.88 : x
2. Step 2: Convert to fraction form
   83,555.72/115,306.41 = 45,314.88/x
3. Step 3: Cross multiply
   83,555.72x = 115,306.41 × 45,314.88
4. Step 4: Simplify right side
   83,555.72x = 5,225,096,132.38
5. Step 5: Solve for x
   x = 5,225,096,132.38/83,555.72
6. Step 6: Final answer
   x = 62,534.28