Finding the Fourth Proportional to 22,723.08, 34,086.54 and 7,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,723.08 : 34,086.54 = 7,140.72 : x
2. Step 2: Convert to fraction form
   22,723.08/34,086.54 = 7,140.72/x
3. Step 3: Cross multiply
   22,723.08x = 34,086.54 × 7,140.72
4. Step 4: Simplify right side
   22,723.08x = 243,402,437.91
5. Step 5: Solve for x
   x = 243,402,437.91/22,723.08
6. Step 6: Final answer
   x = 10,711.68