Finding the Fourth Proportional to 1,523.53, 2,100.90 and 1,303.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.53 : 2,100.90 = 1,303.21 : x
2. Step 2: Convert to fraction form
   1,523.53/2,100.90 = 1,303.21/x
3. Step 3: Cross multiply
   1,523.53x = 2,100.90 × 1,303.21
4. Step 4: Simplify right side
   1,523.53x = 2,737,913.89
5. Step 5: Solve for x
   x = 2,737,913.89/1,523.53
6. Step 6: Final answer
   x = 1,797.09