Finding the Fourth Proportional to 1,373.88, 1,895.86 and 784.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.88 : 1,895.86 = 784.32 : x
2. Step 2: Convert to fraction form
   1,373.88/1,895.86 = 784.32/x
3. Step 3: Cross multiply
   1,373.88x = 1,895.86 × 784.32
4. Step 4: Simplify right side
   1,373.88x = 1,486,960.92
5. Step 5: Solve for x
   x = 1,486,960.92/1,373.88
6. Step 6: Final answer
   x = 1,082.31