Finding the Fourth Proportional to 3,011.88, 4,159.98 and 2,421.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,011.88 : 4,159.98 = 2,421.48 : x
2. Step 2: Convert to fraction form
   3,011.88/4,159.98 = 2,421.48/x
3. Step 3: Cross multiply
   3,011.88x = 4,159.98 × 2,421.48
4. Step 4: Simplify right side
   3,011.88x = 10,073,308.37
5. Step 5: Solve for x
   x = 10,073,308.37/3,011.88
6. Step 6: Final answer
   x = 3,344.53