Finding the Fourth Proportional to 1,374.33, 1,896.18 and 784.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.33 : 1,896.18 = 784.86 : x
2. Step 2: Convert to fraction form
   1,374.33/1,896.18 = 784.86/x
3. Step 3: Cross multiply
   1,374.33x = 1,896.18 × 784.86
4. Step 4: Simplify right side
   1,374.33x = 1,488,235.83
5. Step 5: Solve for x
   x = 1,488,235.83/1,374.33
6. Step 6: Final answer
   x = 1,082.88