Finding the Fourth Proportional to 9,436.64, 14,155.31 and 3,515.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.64 : 14,155.31 = 3,515.02 : x
2. Step 2: Convert to fraction form
   9,436.64/14,155.31 = 3,515.02/x
3. Step 3: Cross multiply
   9,436.64x = 14,155.31 × 3,515.02
4. Step 4: Simplify right side
   9,436.64x = 49,756,171.16
5. Step 5: Solve for x
   x = 49,756,171.16/9,436.64
6. Step 6: Final answer
   x = 5,272.66