Finding the Fourth Proportional to 3,345.30, 5,017.83 and 1,153.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.30 : 5,017.83 = 1,153.98 : x
2. Step 2: Convert to fraction form
   3,345.30/5,017.83 = 1,153.98/x
3. Step 3: Cross multiply
   3,345.30x = 5,017.83 × 1,153.98
4. Step 4: Simplify right side
   3,345.30x = 5,790,475.46
5. Step 5: Solve for x
   x = 5,790,475.46/3,345.30
6. Step 6: Final answer
   x = 1,730.93