Finding the Fourth Proportional to 83,174.95, 114,781.72 and 45,449.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,174.95 : 114,781.72 = 45,449.20 : x
2. Step 2: Convert to fraction form
   83,174.95/114,781.72 = 45,449.20/x
3. Step 3: Cross multiply
   83,174.95x = 114,781.72 × 45,449.20
4. Step 4: Simplify right side
   83,174.95x = 5,216,736,774.72
5. Step 5: Solve for x
   x = 5,216,736,774.72/83,174.95
6. Step 6: Final answer
   x = 62,720.05