Finding the Fourth Proportional to 181,789.42, 272,557.58 and 80,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,789.42 : 272,557.58 = 80,532.50 : x
2. Step 2: Convert to fraction form
   181,789.42/272,557.58 = 80,532.50/x
3. Step 3: Cross multiply
   181,789.42x = 272,557.58 × 80,532.50
4. Step 4: Simplify right side
   181,789.42x = 21,949,743,311.35
5. Step 5: Solve for x
   x = 21,949,743,311.35/181,789.42
6. Step 6: Final answer
   x = 120,742.69