Finding the Fourth Proportional to 2,642.82, 3,646.71 and 1,523.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.82 : 3,646.71 = 1,523.31 : x
2. Step 2: Convert to fraction form
   2,642.82/3,646.71 = 1,523.31/x
3. Step 3: Cross multiply
   2,642.82x = 3,646.71 × 1,523.31
4. Step 4: Simplify right side
   2,642.82x = 5,555,069.81
5. Step 5: Solve for x
   x = 5,555,069.81/2,642.82
6. Step 6: Final answer
   x = 2,101.95