Finding the Fourth Proportional to 3,356.72, 5,031.62 and 2,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,356.72 : 5,031.62 = 2,429.98 : x
2. Step 2: Convert to fraction form
   3,356.72/5,031.62 = 2,429.98/x
3. Step 3: Cross multiply
   3,356.72x = 5,031.62 × 2,429.98
4. Step 4: Simplify right side
   3,356.72x = 12,226,698.66
5. Step 5: Solve for x
   x = 12,226,698.66/3,356.72
6. Step 6: Final answer
   x = 3,642.45