Finding the Fourth Proportional to 1,373.24, 1,895.04 and 783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.24 : 1,895.04 = 783.69 : x
2. Step 2: Convert to fraction form
   1,373.24/1,895.04 = 783.69/x
3. Step 3: Cross multiply
   1,373.24x = 1,895.04 × 783.69
4. Step 4: Simplify right side
   1,373.24x = 1,485,123.90
5. Step 5: Solve for x
   x = 1,485,123.90/1,373.24
6. Step 6: Final answer
   x = 1,081.48