Finding the Fourth Proportional to 2,177.52, 3,003.39 and 1,381.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.52 : 3,003.39 = 1,381.10 : x
2. Step 2: Convert to fraction form
   2,177.52/3,003.39 = 1,381.10/x
3. Step 3: Cross multiply
   2,177.52x = 3,003.39 × 1,381.10
4. Step 4: Simplify right side
   2,177.52x = 4,147,966.91
5. Step 5: Solve for x
   x = 4,147,966.91/2,177.52
6. Step 6: Final answer
   x = 1,904.90