Finding the Fourth Proportional to 5,863.78, 8,089.50 and 3,505.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,863.78 : 8,089.50 = 3,505.42 : x
2. Step 2: Convert to fraction form
   5,863.78/8,089.50 = 3,505.42/x
3. Step 3: Cross multiply
   5,863.78x = 8,089.50 × 3,505.42
4. Step 4: Simplify right side
   5,863.78x = 28,357,095.09
5. Step 5: Solve for x
   x = 28,357,095.09/5,863.78
6. Step 6: Final answer
   x = 4,835.98