Finding the Fourth Proportional to 3,345.34, 5,017.88 and 846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.34 : 5,017.88 = 846.50 : x
2. Step 2: Convert to fraction form
   3,345.34/5,017.88 = 846.50/x
3. Step 3: Cross multiply
   3,345.34x = 5,017.88 × 846.50
4. Step 4: Simplify right side
   3,345.34x = 4,247,635.42
5. Step 5: Solve for x
   x = 4,247,635.42/3,345.34
6. Step 6: Final answer
   x = 1,269.72