Finding the Fourth Proportional to 2,642.28, 3,646.32 and 1,523.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.28 : 3,646.32 = 1,523.21 : x
2. Step 2: Convert to fraction form
   2,642.28/3,646.32 = 1,523.21/x
3. Step 3: Cross multiply
   2,642.28x = 3,646.32 × 1,523.21
4. Step 4: Simplify right side
   2,642.28x = 5,554,092.86
5. Step 5: Solve for x
   x = 5,554,092.86/2,642.28
6. Step 6: Final answer
   x = 2,102.01