Finding the Fourth Proportional to 3,824.72, 5,275.99 and 2,407.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,824.72 : 5,275.99 = 2,407.89 : x
2. Step 2: Convert to fraction form
   3,824.72/5,275.99 = 2,407.89/x
3. Step 3: Cross multiply
   3,824.72x = 5,275.99 × 2,407.89
4. Step 4: Simplify right side
   3,824.72x = 12,704,026.36
5. Step 5: Solve for x
   x = 12,704,026.36/3,824.72
6. Step 6: Final answer
   x = 3,321.56