Finding the Fourth Proportional to 1,854.72, 2,555.52 and 1,330.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.72 : 2,555.52 = 1,330.56 : x
2. Step 2: Convert to fraction form
   1,854.72/2,555.52 = 1,330.56/x
3. Step 3: Cross multiply
   1,854.72x = 2,555.52 × 1,330.56
4. Step 4: Simplify right side
   1,854.72x = 3,400,272.69
5. Step 5: Solve for x
   x = 3,400,272.69/1,854.72
6. Step 6: Final answer
   x = 1,833.31