Finding the Fourth Proportional to 5,167.62, 7,131.78 and 2,929.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,167.62 : 7,131.78 = 2,929.59 : x
2. Step 2: Convert to fraction form
   5,167.62/7,131.78 = 2,929.59/x
3. Step 3: Cross multiply
   5,167.62x = 7,131.78 × 2,929.59
4. Step 4: Simplify right side
   5,167.62x = 20,893,191.37
5. Step 5: Solve for x
   x = 20,893,191.37/5,167.62
6. Step 6: Final answer
   x = 4,043.10