Finding the Fourth Proportional to 1,816.72, 2,504.39 and 1,417.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.72 : 2,504.39 = 1,417.93 : x
2. Step 2: Convert to fraction form
   1,816.72/2,504.39 = 1,417.93/x
3. Step 3: Cross multiply
   1,816.72x = 2,504.39 × 1,417.93
4. Step 4: Simplify right side
   1,816.72x = 3,551,049.71
5. Step 5: Solve for x
   x = 3,551,049.71/1,816.72
6. Step 6: Final answer
   x = 1,954.65