Finding the Fourth Proportional to 10,008.59, 15,018.21 and 5,626.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008.59 : 15,018.21 = 5,626.35 : x
2. Step 2: Convert to fraction form
   10,008.59/15,018.21 = 5,626.35/x
3. Step 3: Cross multiply
   10,008.59x = 15,018.21 × 5,626.35
4. Step 4: Simplify right side
   10,008.59x = 84,497,705.83
5. Step 5: Solve for x
   x = 84,497,705.83/10,008.59
6. Step 6: Final answer
   x = 8,442.52