Finding the Fourth Proportional to 10,158.54, 15,241.86 and 3,585.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.54 : 15,241.86 = 3,585.39 : x
2. Step 2: Convert to fraction form
   10,158.54/15,241.86 = 3,585.39/x
3. Step 3: Cross multiply
   10,158.54x = 15,241.86 × 3,585.39
4. Step 4: Simplify right side
   10,158.54x = 54,648,012.43
5. Step 5: Solve for x
   x = 54,648,012.43/10,158.54
6. Step 6: Final answer
   x = 5,379.51