Finding the Fourth Proportional to 131,792.82, 181,874.43 and 71,364.21

Step by Step Solution

1. Step 1: Write the proportion equation
   131,792.82 : 181,874.43 = 71,364.21 : x
2. Step 2: Convert to fraction form
   131,792.82/181,874.43 = 71,364.21/x
3. Step 3: Cross multiply
   131,792.82x = 181,874.43 × 71,364.21
4. Step 4: Simplify right side
   131,792.82x = 12,979,325,016.15
5. Step 5: Solve for x
   x = 12,979,325,016.15/131,792.82
6. Step 6: Final answer
   x = 98,482.79