Finding the Fourth Proportional to 1,376.43, 1,897.32 and 1,043.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.43 : 1,897.32 = 1,043.52 : x
2. Step 2: Convert to fraction form
   1,376.43/1,897.32 = 1,043.52/x
3. Step 3: Cross multiply
   1,376.43x = 1,897.32 × 1,043.52
4. Step 4: Simplify right side
   1,376.43x = 1,979,891.37
5. Step 5: Solve for x
   x = 1,979,891.37/1,376.43
6. Step 6: Final answer
   x = 1,438.43