Finding the Fourth Proportional to 10,259.08, 14,157.50 and 5,543.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.08 : 14,157.50 = 5,543.36 : x
2. Step 2: Convert to fraction form
   10,259.08/14,157.50 = 5,543.36/x
3. Step 3: Cross multiply
   10,259.08x = 14,157.50 × 5,543.36
4. Step 4: Simplify right side
   10,259.08x = 78,480,119.20
5. Step 5: Solve for x
   x = 78,480,119.20/10,259.08
6. Step 6: Final answer
   x = 7,649.82