Finding the Fourth Proportional to 131,805.56, 181,884.18 and 78,095.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,805.56 : 181,884.18 = 78,095.72 : x
2. Step 2: Convert to fraction form
   131,805.56/181,884.18 = 78,095.72/x
3. Step 3: Cross multiply
   131,805.56x = 181,884.18 × 78,095.72
4. Step 4: Simplify right side
   131,805.56x = 14,204,375,993.71
5. Step 5: Solve for x
   x = 14,204,375,993.71/131,805.56
6. Step 6: Final answer
   x = 107,767.65