Finding the Fourth Proportional to 114,035.61, 171,081.30 and 80,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   114,035.61 : 171,081.30 = 80,367.31 : x
2. Step 2: Convert to fraction form
   114,035.61/171,081.30 = 80,367.31/x
3. Step 3: Cross multiply
   114,035.61x = 171,081.30 × 80,367.31
4. Step 4: Simplify right side
   114,035.61x = 13,749,343,872.30
5. Step 5: Solve for x
   x = 13,749,343,872.30/114,035.61
6. Step 6: Final answer
   x = 120,570.62