Finding the Fourth Proportional to 22,728.06, 34,097.54 and 7,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,728.06 : 34,097.54 = 7,145.69 : x
2. Step 2: Convert to fraction form
   22,728.06/34,097.54 = 7,145.69/x
3. Step 3: Cross multiply
   22,728.06x = 34,097.54 × 7,145.69
4. Step 4: Simplify right side
   22,728.06x = 243,650,244.39
5. Step 5: Solve for x
   x = 243,650,244.39/22,728.06
6. Step 6: Final answer
   x = 10,720.24