Finding the Fourth Proportional to 2,421.18, 3,340.83 and 1,524.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.18 : 3,340.83 = 1,524.78 : x
2. Step 2: Convert to fraction form
   2,421.18/3,340.83 = 1,524.78/x
3. Step 3: Cross multiply
   2,421.18x = 3,340.83 × 1,524.78
4. Step 4: Simplify right side
   2,421.18x = 5,094,030.77
5. Step 5: Solve for x
   x = 5,094,030.77/2,421.18
6. Step 6: Final answer
   x = 2,103.95