Finding the Fourth Proportional to 10,983.10, 15,156.63 and 5,947.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.10 : 15,156.63 = 5,947.28 : x
2. Step 2: Convert to fraction form
   10,983.10/15,156.63 = 5,947.28/x
3. Step 3: Cross multiply
   10,983.10x = 15,156.63 × 5,947.28
4. Step 4: Simplify right side
   10,983.10x = 90,140,722.47
5. Step 5: Solve for x
   x = 90,140,722.47/10,983.10
6. Step 6: Final answer
   x = 8,207.22