Finding the Fourth Proportional to 5,168.61, 7,132.52 and 2,930.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.61 : 7,132.52 = 2,930.69 : x
2. Step 2: Convert to fraction form
   5,168.61/7,132.52 = 2,930.69/x
3. Step 3: Cross multiply
   5,168.61x = 7,132.52 × 2,930.69
4. Step 4: Simplify right side
   5,168.61x = 20,903,154.72
5. Step 5: Solve for x
   x = 20,903,154.72/5,168.61
6. Step 6: Final answer
   x = 4,044.25