Finding the Fourth Proportional to 2,405.86, 3,611.52 and 2,247.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.86 : 3,611.52 = 2,247.30 : x
2. Step 2: Convert to fraction form
   2,405.86/3,611.52 = 2,247.30/x
3. Step 3: Cross multiply
   2,405.86x = 3,611.52 × 2,247.30
4. Step 4: Simplify right side
   2,405.86x = 8,116,168.90
5. Step 5: Solve for x
   x = 8,116,168.90/2,405.86
6. Step 6: Final answer
   x = 3,373.50