Finding the Fourth Proportional to 80,981.34, 111,705.24 and 52,256.04

Step by Step Solution

1. Step 1: Write the proportion equation
   80,981.34 : 111,705.24 = 52,256.04 : x
2. Step 2: Convert to fraction form
   80,981.34/111,705.24 = 52,256.04/x
3. Step 3: Cross multiply
   80,981.34x = 111,705.24 × 52,256.04
4. Step 4: Simplify right side
   80,981.34x = 5,837,273,489.65
5. Step 5: Solve for x
   x = 5,837,273,489.65/80,981.34
6. Step 6: Final answer
   x = 72,081.71