Finding the Fourth Proportional to 2,530.30, 3,787.34 and 1,357.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.30 : 3,787.34 = 1,357.38 : x
2. Step 2: Convert to fraction form
   2,530.30/3,787.34 = 1,357.38/x
3. Step 3: Cross multiply
   2,530.30x = 3,787.34 × 1,357.38
4. Step 4: Simplify right side
   2,530.30x = 5,140,859.57
5. Step 5: Solve for x
   x = 5,140,859.57/2,530.30
6. Step 6: Final answer
   x = 2,031.72