Finding the Fourth Proportional to 10,552.92, 15,827.16 and 3,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,552.92 : 15,827.16 = 3,978.96 : x
2. Step 2: Convert to fraction form
   10,552.92/15,827.16 = 3,978.96/x
3. Step 3: Cross multiply
   10,552.92x = 15,827.16 × 3,978.96
4. Step 4: Simplify right side
   10,552.92x = 62,975,636.55
5. Step 5: Solve for x
   x = 62,975,636.55/10,552.92
6. Step 6: Final answer
   x = 5,967.60