Finding the Fourth Proportional to 2,521.43, 3,780.09 and 1,976.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.43 : 3,780.09 = 1,976.05 : x
2. Step 2: Convert to fraction form
   2,521.43/3,780.09 = 1,976.05/x
3. Step 3: Cross multiply
   2,521.43x = 3,780.09 × 1,976.05
4. Step 4: Simplify right side
   2,521.43x = 7,469,635.86
5. Step 5: Solve for x
   x = 7,469,635.86/2,521.43
6. Step 6: Final answer
   x = 2,962.46