Finding the Fourth Proportional to 1,609.51, 2,411.75 and 1,284.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.51 : 2,411.75 = 1,284.79 : x
2. Step 2: Convert to fraction form
   1,609.51/2,411.75 = 1,284.79/x
3. Step 3: Cross multiply
   1,609.51x = 2,411.75 × 1,284.79
4. Step 4: Simplify right side
   1,609.51x = 3,098,585.86
5. Step 5: Solve for x
   x = 3,098,585.86/1,609.51
6. Step 6: Final answer
   x = 1,925.17