Finding the Fourth Proportional to 131,648.82, 181,675.81 and 71,219.71

Step by Step Solution

1. Step 1: Write the proportion equation
   131,648.82 : 181,675.81 = 71,219.71 : x
2. Step 2: Convert to fraction form
   131,648.82/181,675.81 = 71,219.71/x
3. Step 3: Cross multiply
   131,648.82x = 181,675.81 × 71,219.71
4. Step 4: Simplify right side
   131,648.82x = 12,938,898,502.22
5. Step 5: Solve for x
   x = 12,938,898,502.22/131,648.82
6. Step 6: Final answer
   x = 98,283.44