Finding the Fourth Proportional to 2,642.76, 3,646.70 and 1,523.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.76 : 3,646.70 = 1,523.69 : x
2. Step 2: Convert to fraction form
   2,642.76/3,646.70 = 1,523.69/x
3. Step 3: Cross multiply
   2,642.76x = 3,646.70 × 1,523.69
4. Step 4: Simplify right side
   2,642.76x = 5,556,414.47
5. Step 5: Solve for x
   x = 5,556,414.47/2,642.76
6. Step 6: Final answer
   x = 2,102.50