Finding the Fourth Proportional to 10,763.52, 16,149.60 and 4,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.52 : 16,149.60 = 4,191.72 : x
2. Step 2: Convert to fraction form
   10,763.52/16,149.60 = 4,191.72/x
3. Step 3: Cross multiply
   10,763.52x = 16,149.60 × 4,191.72
4. Step 4: Simplify right side
   10,763.52x = 67,694,601.31
5. Step 5: Solve for x
   x = 67,694,601.31/10,763.52
6. Step 6: Final answer
   x = 6,289.26