Finding the Fourth Proportional to 79,059.63, 118,399.40 and 45,223.10

Step by Step Solution

1. Step 1: Write the proportion equation
   79,059.63 : 118,399.40 = 45,223.10 : x
2. Step 2: Convert to fraction form
   79,059.63/118,399.40 = 45,223.10/x
3. Step 3: Cross multiply
   79,059.63x = 118,399.40 × 45,223.10
4. Step 4: Simplify right side
   79,059.63x = 5,354,387,427.20
5. Step 5: Solve for x
   x = 5,354,387,427.20/79,059.63
6. Step 6: Final answer
   x = 67,725.94