Finding the Fourth Proportional to 11,672.91, 17,506.53 and 3,880.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,672.91 : 17,506.53 = 3,880.71 : x
2. Step 2: Convert to fraction form
   11,672.91/17,506.53 = 3,880.71/x
3. Step 3: Cross multiply
   11,672.91x = 17,506.53 × 3,880.71
4. Step 4: Simplify right side
   11,672.91x = 67,937,766.04
5. Step 5: Solve for x
   x = 67,937,766.04/11,672.91
6. Step 6: Final answer
   x = 5,820.12