Finding the Fourth Proportional to 10,340.08, 15,504.72 and 5,397.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.08 : 15,504.72 = 5,397.64 : x
2. Step 2: Convert to fraction form
   10,340.08/15,504.72 = 5,397.64/x
3. Step 3: Cross multiply
   10,340.08x = 15,504.72 × 5,397.64
4. Step 4: Simplify right side
   10,340.08x = 83,688,896.86
5. Step 5: Solve for x
   x = 83,688,896.86/10,340.08
6. Step 6: Final answer
   x = 8,093.64