Finding the Fourth Proportional to 5,345.69, 8,018.82 and 2,424.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,345.69 : 8,018.82 = 2,424.21 : x
2. Step 2: Convert to fraction form
   5,345.69/8,018.82 = 2,424.21/x
3. Step 3: Cross multiply
   5,345.69x = 8,018.82 × 2,424.21
4. Step 4: Simplify right side
   5,345.69x = 19,439,303.63
5. Step 5: Solve for x
   x = 19,439,303.63/5,345.69
6. Step 6: Final answer
   x = 3,636.45