Finding the Fourth Proportional to 10,259.33, 14,157.87 and 5,543.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.33 : 14,157.87 = 5,543.61 : x
2. Step 2: Convert to fraction form
   10,259.33/14,157.87 = 5,543.61/x
3. Step 3: Cross multiply
   10,259.33x = 14,157.87 × 5,543.61
4. Step 4: Simplify right side
   10,259.33x = 78,485,638.92
5. Step 5: Solve for x
   x = 78,485,638.92/10,259.33
6. Step 6: Final answer
   x = 7,650.18