Finding the Fourth Proportional to 2,612.10, 3,918.78 and 1,502.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.10 : 3,918.78 = 1,502.22 : x
2. Step 2: Convert to fraction form
   2,612.10/3,918.78 = 1,502.22/x
3. Step 3: Cross multiply
   2,612.10x = 3,918.78 × 1,502.22
4. Step 4: Simplify right side
   2,612.10x = 5,886,885.52
5. Step 5: Solve for x
   x = 5,886,885.52/2,612.10
6. Step 6: Final answer
   x = 2,253.70