Finding the Fourth Proportional to 1,520.51, 2,288.39 and 1,369.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.51 : 2,288.39 = 1,369.58 : x
2. Step 2: Convert to fraction form
   1,520.51/2,288.39 = 1,369.58/x
3. Step 3: Cross multiply
   1,520.51x = 2,288.39 × 1,369.58
4. Step 4: Simplify right side
   1,520.51x = 3,134,114.89
5. Step 5: Solve for x
   x = 3,134,114.89/1,520.51
6. Step 6: Final answer
   x = 2,061.23