Finding the Fourth Proportional to 2,692.60, 3,715.32 and 1,513.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.60 : 3,715.32 = 1,513.72 : x
2. Step 2: Convert to fraction form
   2,692.60/3,715.32 = 1,513.72/x
3. Step 3: Cross multiply
   2,692.60x = 3,715.32 × 1,513.72
4. Step 4: Simplify right side
   2,692.60x = 5,623,954.19
5. Step 5: Solve for x
   x = 5,623,954.19/2,692.60
6. Step 6: Final answer
   x = 2,088.67