Finding the Fourth Proportional to 10,543.32, 15,843.72 and 5,616.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,543.32 : 15,843.72 = 5,616.48 : x
2. Step 2: Convert to fraction form
   10,543.32/15,843.72 = 5,616.48/x
3. Step 3: Cross multiply
   10,543.32x = 15,843.72 × 5,616.48
4. Step 4: Simplify right side
   10,543.32x = 88,985,936.51
5. Step 5: Solve for x
   x = 88,985,936.51/10,543.32
6. Step 6: Final answer
   x = 8,440.03