Finding the Fourth Proportional to 8,454.42, 12,681.32 and 2,611.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,454.42 : 12,681.32 = 2,611.02 : x
2. Step 2: Convert to fraction form
   8,454.42/12,681.32 = 2,611.02/x
3. Step 3: Cross multiply
   8,454.42x = 12,681.32 × 2,611.02
4. Step 4: Simplify right side
   8,454.42x = 33,111,167.09
5. Step 5: Solve for x
   x = 33,111,167.09/8,454.42
6. Step 6: Final answer
   x = 3,916.43