Finding the Fourth Proportional to 1,373.53, 1,895.32 and 783.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.53 : 1,895.32 = 783.95 : x
2. Step 2: Convert to fraction form
   1,373.53/1,895.32 = 783.95/x
3. Step 3: Cross multiply
   1,373.53x = 1,895.32 × 783.95
4. Step 4: Simplify right side
   1,373.53x = 1,485,845.81
5. Step 5: Solve for x
   x = 1,485,845.81/1,373.53
6. Step 6: Final answer
   x = 1,081.77