Finding the Fourth Proportional to 2,612.02, 3,914.90 and 1,224.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.02 : 3,914.90 = 1,224.22 : x
2. Step 2: Convert to fraction form
   2,612.02/3,914.90 = 1,224.22/x
3. Step 3: Cross multiply
   2,612.02x = 3,914.90 × 1,224.22
4. Step 4: Simplify right side
   2,612.02x = 4,792,698.88
5. Step 5: Solve for x
   x = 4,792,698.88/2,612.02
6. Step 6: Final answer
   x = 1,834.86