Finding the Fourth Proportional to 10,203.61, 14,080.77 and 5,666.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,203.61 : 14,080.77 = 5,666.05 : x
2. Step 2: Convert to fraction form
   10,203.61/14,080.77 = 5,666.05/x
3. Step 3: Cross multiply
   10,203.61x = 14,080.77 × 5,666.05
4. Step 4: Simplify right side
   10,203.61x = 79,782,388.36
5. Step 5: Solve for x
   x = 79,782,388.36/10,203.61
6. Step 6: Final answer
   x = 7,819.04