Finding the Fourth Proportional to 2,374.34, 3,560.31 and 1,387.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.34 : 3,560.31 = 1,387.49 : x
2. Step 2: Convert to fraction form
   2,374.34/3,560.31 = 1,387.49/x
3. Step 3: Cross multiply
   2,374.34x = 3,560.31 × 1,387.49
4. Step 4: Simplify right side
   2,374.34x = 4,939,894.52
5. Step 5: Solve for x
   x = 4,939,894.52/2,374.34
6. Step 6: Final answer
   x = 2,080.53