Finding the Fourth Proportional to 3,069.55, 4,609.59 and 2,931.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,069.55 : 4,609.59 = 2,931.04 : x
2. Step 2: Convert to fraction form
   3,069.55/4,609.59 = 2,931.04/x
3. Step 3: Cross multiply
   3,069.55x = 4,609.59 × 2,931.04
4. Step 4: Simplify right side
   3,069.55x = 13,510,892.67
5. Step 5: Solve for x
   x = 13,510,892.67/3,069.55
6. Step 6: Final answer
   x = 4,401.59