Finding the Fourth Proportional to 8,993.71, 13,482.06 and 3,146.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,993.71 : 13,482.06 = 3,146.55 : x
2. Step 2: Convert to fraction form
   8,993.71/13,482.06 = 3,146.55/x
3. Step 3: Cross multiply
   8,993.71x = 13,482.06 × 3,146.55
4. Step 4: Simplify right side
   8,993.71x = 42,421,975.89
5. Step 5: Solve for x
   x = 42,421,975.89/8,993.71
6. Step 6: Final answer
   x = 4,716.85