Finding the Fourth Proportional to 3,345.43, 5,018.84 and 1,005.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.43 : 5,018.84 = 1,005.34 : x
2. Step 2: Convert to fraction form
   3,345.43/5,018.84 = 1,005.34/x
3. Step 3: Cross multiply
   3,345.43x = 5,018.84 × 1,005.34
4. Step 4: Simplify right side
   3,345.43x = 5,045,610.48
5. Step 5: Solve for x
   x = 5,045,610.48/3,345.43
6. Step 6: Final answer
   x = 1,508.21