Finding the Fourth Proportional to 13,158.03, 19,723.73 and 5,666.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158.03 : 19,723.73 = 5,666.47 : x
2. Step 2: Convert to fraction form
   13,158.03/19,723.73 = 5,666.47/x
3. Step 3: Cross multiply
   13,158.03x = 19,723.73 × 5,666.47
4. Step 4: Simplify right side
   13,158.03x = 111,763,924.33
5. Step 5: Solve for x
   x = 111,763,924.33/13,158.03
6. Step 6: Final answer
   x = 8,493.97