Finding the Fourth Proportional to 131,981.72, 182,136.06 and 71,552.21

Step by Step Solution

1. Step 1: Write the proportion equation
   131,981.72 : 182,136.06 = 71,552.21 : x
2. Step 2: Convert to fraction form
   131,981.72/182,136.06 = 71,552.21/x
3. Step 3: Cross multiply
   131,981.72x = 182,136.06 × 71,552.21
4. Step 4: Simplify right side
   131,981.72x = 13,032,237,255.93
5. Step 5: Solve for x
   x = 13,032,237,255.93/131,981.72
6. Step 6: Final answer
   x = 98,742.74