Finding the Fourth Proportional to 5,886.78, 8,123.23 and 3,496.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.78 : 8,123.23 = 3,496.57 : x
2. Step 2: Convert to fraction form
   5,886.78/8,123.23 = 3,496.57/x
3. Step 3: Cross multiply
   5,886.78x = 8,123.23 × 3,496.57
4. Step 4: Simplify right side
   5,886.78x = 28,403,442.32
5. Step 5: Solve for x
   x = 28,403,442.32/5,886.78
6. Step 6: Final answer
   x = 4,824.95