Finding the Fourth Proportional to 1,373.27, 1,895.13 and 783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.27 : 1,895.13 = 783.86 : x
2. Step 2: Convert to fraction form
   1,373.27/1,895.13 = 783.86/x
3. Step 3: Cross multiply
   1,373.27x = 1,895.13 × 783.86
4. Step 4: Simplify right side
   1,373.27x = 1,485,507.13
5. Step 5: Solve for x
   x = 1,485,507.13/1,373.27
6. Step 6: Final answer
   x = 1,081.73