Finding the Fourth Proportional to 10,467.52, 15,687.12 and 5,788.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,467.52 : 15,687.12 = 5,788.48 : x
2. Step 2: Convert to fraction form
   10,467.52/15,687.12 = 5,788.48/x
3. Step 3: Cross multiply
   10,467.52x = 15,687.12 × 5,788.48
4. Step 4: Simplify right side
   10,467.52x = 90,804,580.38
5. Step 5: Solve for x
   x = 90,804,580.38/10,467.52
6. Step 6: Final answer
   x = 8,674.89