Finding the Fourth Proportional to 22,722.88, 34,085.76 and 7,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,722.88 : 34,085.76 = 7,141.12 : x
2. Step 2: Convert to fraction form
   22,722.88/34,085.76 = 7,141.12/x
3. Step 3: Cross multiply
   22,722.88x = 34,085.76 × 7,141.12
4. Step 4: Simplify right side
   22,722.88x = 243,410,502.45
5. Step 5: Solve for x
   x = 243,410,502.45/22,722.88
6. Step 6: Final answer
   x = 10,712.13