Finding the Fourth Proportional to 21,365.28, 32,027.76 and 7,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,365.28 : 32,027.76 = 7,506.72 : x
2. Step 2: Convert to fraction form
   21,365.28/32,027.76 = 7,506.72/x
3. Step 3: Cross multiply
   21,365.28x = 32,027.76 × 7,506.72
4. Step 4: Simplify right side
   21,365.28x = 240,423,426.55
5. Step 5: Solve for x
   x = 240,423,426.55/21,365.28
6. Step 6: Final answer
   x = 11,253.00