Finding the Fourth Proportional to 2,624.10, 3,934.06 and 1,236.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.10 : 3,934.06 = 1,236.72 : x
2. Step 2: Convert to fraction form
   2,624.10/3,934.06 = 1,236.72/x
3. Step 3: Cross multiply
   2,624.10x = 3,934.06 × 1,236.72
4. Step 4: Simplify right side
   2,624.10x = 4,865,330.68
5. Step 5: Solve for x
   x = 4,865,330.68/2,624.10
6. Step 6: Final answer
   x = 1,854.09