Finding the Fourth Proportional to 23,011.52, 34,523.76 and 7,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,011.52 : 34,523.76 = 7,429.28 : x
2. Step 2: Convert to fraction form
   23,011.52/34,523.76 = 7,429.28/x
3. Step 3: Cross multiply
   23,011.52x = 34,523.76 × 7,429.28
4. Step 4: Simplify right side
   23,011.52x = 256,486,679.69
5. Step 5: Solve for x
   x = 256,486,679.69/23,011.52
6. Step 6: Final answer
   x = 11,146.01