Finding the Fourth Proportional to 5,947.72, 8,206.17 and 3,429.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,947.72 : 8,206.17 = 3,429.63 : x
2. Step 2: Convert to fraction form
   5,947.72/8,206.17 = 3,429.63/x
3. Step 3: Cross multiply
   5,947.72x = 8,206.17 × 3,429.63
4. Step 4: Simplify right side
   5,947.72x = 28,144,126.82
5. Step 5: Solve for x
   x = 28,144,126.82/5,947.72
6. Step 6: Final answer
   x = 4,731.92