Finding the Fourth Proportional to 2,715.61, 4,076.16 and 1,401.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.61 : 4,076.16 = 1,401.36 : x
2. Step 2: Convert to fraction form
   2,715.61/4,076.16 = 1,401.36/x
3. Step 3: Cross multiply
   2,715.61x = 4,076.16 × 1,401.36
4. Step 4: Simplify right side
   2,715.61x = 5,712,167.58
5. Step 5: Solve for x
   x = 5,712,167.58/2,715.61
6. Step 6: Final answer
   x = 2,103.46