Finding the Fourth Proportional to 11,436.72, 15,782.76 and 6,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.72 : 15,782.76 = 6,468.72 : x
2. Step 2: Convert to fraction form
   11,436.72/15,782.76 = 6,468.72/x
3. Step 3: Cross multiply
   11,436.72x = 15,782.76 × 6,468.72
4. Step 4: Simplify right side
   11,436.72x = 102,094,255.27
5. Step 5: Solve for x
   x = 102,094,255.27/11,436.72
6. Step 6: Final answer
   x = 8,926.88