Finding the Fourth Proportional to 2,692.42, 3,715.60 and 1,513.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.42 : 3,715.60 = 1,513.60 : x
2. Step 2: Convert to fraction form
   2,692.42/3,715.60 = 1,513.60/x
3. Step 3: Cross multiply
   2,692.42x = 3,715.60 × 1,513.60
4. Step 4: Simplify right side
   2,692.42x = 5,623,932.16
5. Step 5: Solve for x
   x = 5,623,932.16/2,692.42
6. Step 6: Final answer
   x = 2,088.80