Finding the Fourth Proportional to 2,378.30, 3,564 and 1,637.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.30 : 3,564 = 1,637.15 : x
2. Step 2: Convert to fraction form
   2,378.30/3,564 = 1,637.15/x
3. Step 3: Cross multiply
   2,378.30x = 3,564 × 1,637.15
4. Step 4: Simplify right side
   2,378.30x = 5,834,784.78
5. Step 5: Solve for x
   x = 5,834,784.78/2,378.30
6. Step 6: Final answer
   x = 2,453.35