Finding the Fourth Proportional to 10,066.44, 13,891.52 and 5,590.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.44 : 13,891.52 = 5,590.12 : x
2. Step 2: Convert to fraction form
   10,066.44/13,891.52 = 5,590.12/x
3. Step 3: Cross multiply
   10,066.44x = 13,891.52 × 5,590.12
4. Step 4: Simplify right side
   10,066.44x = 77,655,263.78
5. Step 5: Solve for x
   x = 77,655,263.78/10,066.44
6. Step 6: Final answer
   x = 7,714.27