Finding the Fourth Proportional to 2,634.50, 3,635.69 and 1,515.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.50 : 3,635.69 = 1,515.80 : x
2. Step 2: Convert to fraction form
   2,634.50/3,635.69 = 1,515.80/x
3. Step 3: Cross multiply
   2,634.50x = 3,635.69 × 1,515.80
4. Step 4: Simplify right side
   2,634.50x = 5,510,953.14
5. Step 5: Solve for x
   x = 5,510,953.14/2,634.50
6. Step 6: Final answer
   x = 2,091.84