Finding the Fourth Proportional to 80,872.37, 111,602.39 and 45,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   80,872.37 : 111,602.39 = 45,061.61 : x
2. Step 2: Convert to fraction form
   80,872.37/111,602.39 = 45,061.61/x
3. Step 3: Cross multiply
   80,872.37x = 111,602.39 × 45,061.61
4. Step 4: Simplify right side
   80,872.37x = 5,028,983,147.94
5. Step 5: Solve for x
   x = 5,028,983,147.94/80,872.37
6. Step 6: Final answer
   x = 62,184.19