Finding the Fourth Proportional to 3,345.34, 5,017.83 and 1,036.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.34 : 5,017.83 = 1,036.78 : x
2. Step 2: Convert to fraction form
   3,345.34/5,017.83 = 1,036.78/x
3. Step 3: Cross multiply
   3,345.34x = 5,017.83 × 1,036.78
4. Step 4: Simplify right side
   3,345.34x = 5,202,385.79
5. Step 5: Solve for x
   x = 5,202,385.79/3,345.34
6. Step 6: Final answer
   x = 1,555.11