Finding the Fourth Proportional to 1,811.27, 2,499.64 and 1,417.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.27 : 2,499.64 = 1,417.61 : x
2. Step 2: Convert to fraction form
   1,811.27/2,499.64 = 1,417.61/x
3. Step 3: Cross multiply
   1,811.27x = 2,499.64 × 1,417.61
4. Step 4: Simplify right side
   1,811.27x = 3,543,507.57
5. Step 5: Solve for x
   x = 3,543,507.57/1,811.27
6. Step 6: Final answer
   x = 1,956.37