Finding the Fourth Proportional to 131,826.62, 181,919.82 and 71,395.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,826.62 : 181,919.82 = 71,395.88 : x
2. Step 2: Convert to fraction form
   131,826.62/181,919.82 = 71,395.88/x
3. Step 3: Cross multiply
   131,826.62x = 181,919.82 × 71,395.88
4. Step 4: Simplify right side
   131,826.62x = 12,988,325,638.34
5. Step 5: Solve for x
   x = 12,988,325,638.34/131,826.62
6. Step 6: Final answer
   x = 98,525.82