Finding the Fourth Proportional to 10,066.03, 13,890.65 and 5,590.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.03 : 13,890.65 = 5,590.06 : x
2. Step 2: Convert to fraction form
   10,066.03/13,890.65 = 5,590.06/x
3. Step 3: Cross multiply
   10,066.03x = 13,890.65 × 5,590.06
4. Step 4: Simplify right side
   10,066.03x = 77,649,566.94
5. Step 5: Solve for x
   x = 77,649,566.94/10,066.03
6. Step 6: Final answer
   x = 7,714.02