Finding the Fourth Proportional to 22,722.66, 34,085.61 and 7,139.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,722.66 : 34,085.61 = 7,139.94 : x
2. Step 2: Convert to fraction form
   22,722.66/34,085.61 = 7,139.94/x
3. Step 3: Cross multiply
   22,722.66x = 34,085.61 × 7,139.94
4. Step 4: Simplify right side
   22,722.66x = 243,369,210.26
5. Step 5: Solve for x
   x = 243,369,210.26/22,722.66
6. Step 6: Final answer
   x = 10,710.42