Finding the Fourth Proportional to 1,373.22, 1,894.58 and 783.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.22 : 1,894.58 = 783.34 : x
2. Step 2: Convert to fraction form
   1,373.22/1,894.58 = 783.34/x
3. Step 3: Cross multiply
   1,373.22x = 1,894.58 × 783.34
4. Step 4: Simplify right side
   1,373.22x = 1,484,100.30
5. Step 5: Solve for x
   x = 1,484,100.30/1,373.22
6. Step 6: Final answer
   x = 1,080.74