Finding the Fourth Proportional to 1,880.32, 2,591.94 and 1,383.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.32 : 2,591.94 = 1,383.52 : x
2. Step 2: Convert to fraction form
   1,880.32/2,591.94 = 1,383.52/x
3. Step 3: Cross multiply
   1,880.32x = 2,591.94 × 1,383.52
4. Step 4: Simplify right side
   1,880.32x = 3,586,000.83
5. Step 5: Solve for x
   x = 3,586,000.83/1,880.32
6. Step 6: Final answer
   x = 1,907.12