Finding the Fourth Proportional to 1,373.04, 1,894.78 and 783.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.04 : 1,894.78 = 783.59 : x
2. Step 2: Convert to fraction form
   1,373.04/1,894.78 = 783.59/x
3. Step 3: Cross multiply
   1,373.04x = 1,894.78 × 783.59
4. Step 4: Simplify right side
   1,373.04x = 1,484,719.23
5. Step 5: Solve for x
   x = 1,484,719.23/1,373.04
6. Step 6: Final answer
   x = 1,081.34