Finding the Fourth Proportional to 9,436.10, 14,155.85 and 3,886.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.10 : 14,155.85 = 3,886.41 : x
2. Step 2: Convert to fraction form
   9,436.10/14,155.85 = 3,886.41/x
3. Step 3: Cross multiply
   9,436.10x = 14,155.85 × 3,886.41
4. Step 4: Simplify right side
   9,436.10x = 55,015,417.57
5. Step 5: Solve for x
   x = 55,015,417.57/9,436.10
6. Step 6: Final answer
   x = 5,830.32