Finding the Fourth Proportional to 10,947.42, 16,423.56 and 3,155.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.42 : 16,423.56 = 3,155.63 : x
2. Step 2: Convert to fraction form
   10,947.42/16,423.56 = 3,155.63/x
3. Step 3: Cross multiply
   10,947.42x = 16,423.56 × 3,155.63
4. Step 4: Simplify right side
   10,947.42x = 51,826,596.53
5. Step 5: Solve for x
   x = 51,826,596.53/10,947.42
6. Step 6: Final answer
   x = 4,734.14