Finding the Fourth Proportional to 115,749.52, 173,444.72 and 80,280.04

Step by Step Solution

1. Step 1: Write the proportion equation
   115,749.52 : 173,444.72 = 80,280.04 : x
2. Step 2: Convert to fraction form
   115,749.52/173,444.72 = 80,280.04/x
3. Step 3: Cross multiply
   115,749.52x = 173,444.72 × 80,280.04
4. Step 4: Simplify right side
   115,749.52x = 13,924,149,059.39
5. Step 5: Solve for x
   x = 13,924,149,059.39/115,749.52
6. Step 6: Final answer
   x = 120,295.52