Finding the Fourth Proportional to 22,714.16, 34,071.54 and 7,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,714.16 : 34,071.54 = 7,131.78 : x
2. Step 2: Convert to fraction form
   22,714.16/34,071.54 = 7,131.78/x
3. Step 3: Cross multiply
   22,714.16x = 34,071.54 × 7,131.78
4. Step 4: Simplify right side
   22,714.16x = 242,990,727.54
5. Step 5: Solve for x
   x = 242,990,727.54/22,714.16
6. Step 6: Final answer
   x = 10,697.76