Finding the Fourth Proportional to 3,345.77, 5,018.74 and 1,005.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.77 : 5,018.74 = 1,005.84 : x
2. Step 2: Convert to fraction form
   3,345.77/5,018.74 = 1,005.84/x
3. Step 3: Cross multiply
   3,345.77x = 5,018.74 × 1,005.84
4. Step 4: Simplify right side
   3,345.77x = 5,048,046.93
5. Step 5: Solve for x
   x = 5,048,046.93/3,345.77
6. Step 6: Final answer
   x = 1,508.78