Finding the Fourth Proportional to 131,724.06, 181,783.61 and 80,726.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131,724.06 : 181,783.61 = 80,726.94 : x
2. Step 2: Convert to fraction form
   131,724.06/181,783.61 = 80,726.94/x
3. Step 3: Cross multiply
   131,724.06x = 181,783.61 × 80,726.94
4. Step 4: Simplify right side
   131,724.06x = 14,674,834,173.82
5. Step 5: Solve for x
   x = 14,674,834,173.82/131,724.06
6. Step 6: Final answer
   x = 111,405.88