Finding the Fourth Proportional to 10,066.62, 13,892.37 and 5,590.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.62 : 13,892.37 = 5,590.37 : x
2. Step 2: Convert to fraction form
   10,066.62/13,892.37 = 5,590.37/x
3. Step 3: Cross multiply
   10,066.62x = 13,892.37 × 5,590.37
4. Step 4: Simplify right side
   10,066.62x = 77,663,488.48
5. Step 5: Solve for x
   x = 77,663,488.48/10,066.62
6. Step 6: Final answer
   x = 7,714.95