Finding the Fourth Proportional to 2,618.40, 3,932.64 and 1,524.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.40 : 3,932.64 = 1,524.96 : x
2. Step 2: Convert to fraction form
   2,618.40/3,932.64 = 1,524.96/x
3. Step 3: Cross multiply
   2,618.40x = 3,932.64 × 1,524.96
4. Step 4: Simplify right side
   2,618.40x = 5,997,118.69
5. Step 5: Solve for x
   x = 5,997,118.69/2,618.40
6. Step 6: Final answer
   x = 2,290.38