Finding the Fourth Proportional to 80,071.49, 120,144.56 and 35,693.61

Step by Step Solution

1. Step 1: Write the proportion equation
   80,071.49 : 120,144.56 = 35,693.61 : x
2. Step 2: Convert to fraction form
   80,071.49/120,144.56 = 35,693.61/x
3. Step 3: Cross multiply
   80,071.49x = 120,144.56 × 35,693.61
4. Step 4: Simplify right side
   80,071.49x = 4,288,392,889.79
5. Step 5: Solve for x
   x = 4,288,392,889.79/80,071.49
6. Step 6: Final answer
   x = 53,557.05