Finding the Fourth Proportional to 2,692.72, 3,715.70 and 1,513.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.72 : 3,715.70 = 1,513.56 : x
2. Step 2: Convert to fraction form
   2,692.72/3,715.70 = 1,513.56/x
3. Step 3: Cross multiply
   2,692.72x = 3,715.70 × 1,513.56
4. Step 4: Simplify right side
   2,692.72x = 5,623,934.89
5. Step 5: Solve for x
   x = 5,623,934.89/2,692.72
6. Step 6: Final answer
   x = 2,088.57