Finding the Fourth Proportional to 79,147.64, 118,533 and 45,797.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,147.64 : 118,533 = 45,797.42 : x
2. Step 2: Convert to fraction form
   79,147.64/118,533 = 45,797.42/x
3. Step 3: Cross multiply
   79,147.64x = 118,533 × 45,797.42
4. Step 4: Simplify right side
   79,147.64x = 5,428,505,584.86
5. Step 5: Solve for x
   x = 5,428,505,584.86/79,147.64
6. Step 6: Final answer
   x = 68,587.08