Finding the Fourth Proportional to 10,155.78, 15,235.94 and 3,582.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.78 : 15,235.94 = 3,582.02 : x
2. Step 2: Convert to fraction form
   10,155.78/15,235.94 = 3,582.02/x
3. Step 3: Cross multiply
   10,155.78x = 15,235.94 × 3,582.02
4. Step 4: Simplify right side
   10,155.78x = 54,575,365.62
5. Step 5: Solve for x
   x = 54,575,365.62/10,155.78
6. Step 6: Final answer
   x = 5,373.83