Finding the Fourth Proportional to 131,500.84, 181,467.78 and 71,881

Step by Step Solution

1. Step 1: Write the proportion equation
   131,500.84 : 181,467.78 = 71,881 : x
2. Step 2: Convert to fraction form
   131,500.84/181,467.78 = 71,881/x
3. Step 3: Cross multiply
   131,500.84x = 181,467.78 × 71,881
4. Step 4: Simplify right side
   131,500.84x = 13,044,085,494.18
5. Step 5: Solve for x
   x = 13,044,085,494.18/131,500.84
6. Step 6: Final answer
   x = 99,193.93