Finding the Fourth Proportional to 1,784.62, 2,672.10 and 1,291.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.62 : 2,672.10 = 1,291.54 : x
2. Step 2: Convert to fraction form
   1,784.62/2,672.10 = 1,291.54/x
3. Step 3: Cross multiply
   1,784.62x = 2,672.10 × 1,291.54
4. Step 4: Simplify right side
   1,784.62x = 3,451,124.03
5. Step 5: Solve for x
   x = 3,451,124.03/1,784.62
6. Step 6: Final answer
   x = 1,933.81