Finding the Fourth Proportional to 8,406.89, 12,611.71 and 2,562.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,406.89 : 12,611.71 = 2,562.13 : x
2. Step 2: Convert to fraction form
   8,406.89/12,611.71 = 2,562.13/x
3. Step 3: Cross multiply
   8,406.89x = 12,611.71 × 2,562.13
4. Step 4: Simplify right side
   8,406.89x = 32,312,777.48
5. Step 5: Solve for x
   x = 32,312,777.48/8,406.89
6. Step 6: Final answer
   x = 3,843.61