Finding the Fourth Proportional to 1,373.69, 1,895.93 and 1,328.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.69 : 1,895.93 = 1,328.12 : x
2. Step 2: Convert to fraction form
   1,373.69/1,895.93 = 1,328.12/x
3. Step 3: Cross multiply
   1,373.69x = 1,895.93 × 1,328.12
4. Step 4: Simplify right side
   1,373.69x = 2,518,022.55
5. Step 5: Solve for x
   x = 2,518,022.55/1,373.69
6. Step 6: Final answer
   x = 1,833.04