Finding the Fourth Proportional to 11,615.28, 16,032.78 and 7,423.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,615.28 : 16,032.78 = 7,423.53 : x
2. Step 2: Convert to fraction form
   11,615.28/16,032.78 = 7,423.53/x
3. Step 3: Cross multiply
   11,615.28x = 16,032.78 × 7,423.53
4. Step 4: Simplify right side
   11,615.28x = 119,019,823.31
5. Step 5: Solve for x
   x = 119,019,823.31/11,615.28
6. Step 6: Final answer
   x = 10,246.83