Finding the Fourth Proportional to 10,066.18, 13,891.46 and 5,590.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.18 : 13,891.46 = 5,590.22 : x
2. Step 2: Convert to fraction form
   10,066.18/13,891.46 = 5,590.22/x
3. Step 3: Cross multiply
   10,066.18x = 13,891.46 × 5,590.22
4. Step 4: Simplify right side
   10,066.18x = 77,656,234.09
5. Step 5: Solve for x
   x = 77,656,234.09/10,066.18
6. Step 6: Final answer
   x = 7,714.57