Finding the Fourth Proportional to 2,602.62, 3,900.29 and 1,369.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.62 : 3,900.29 = 1,369.53 : x
2. Step 2: Convert to fraction form
   2,602.62/3,900.29 = 1,369.53/x
3. Step 3: Cross multiply
   2,602.62x = 3,900.29 × 1,369.53
4. Step 4: Simplify right side
   2,602.62x = 5,341,557.32
5. Step 5: Solve for x
   x = 5,341,557.32/2,602.62
6. Step 6: Final answer
   x = 2,052.38