Finding the Fourth Proportional to 83,171.72, 114,777.33 and 45,446.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,171.72 : 114,777.33 = 45,446.78 : x
2. Step 2: Convert to fraction form
   83,171.72/114,777.33 = 45,446.78/x
3. Step 3: Cross multiply
   83,171.72x = 114,777.33 × 45,446.78
4. Step 4: Simplify right side
   83,171.72x = 5,216,260,065.50
5. Step 5: Solve for x
   x = 5,216,260,065.50/83,171.72
6. Step 6: Final answer
   x = 62,716.75