Finding the Fourth Proportional to 1,375.62, 1,898.52 and 1,003.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.62 : 1,898.52 = 1,003.83 : x
2. Step 2: Convert to fraction form
   1,375.62/1,898.52 = 1,003.83/x
3. Step 3: Cross multiply
   1,375.62x = 1,898.52 × 1,003.83
4. Step 4: Simplify right side
   1,375.62x = 1,905,791.33
5. Step 5: Solve for x
   x = 1,905,791.33/1,375.62
6. Step 6: Final answer
   x = 1,385.41