Finding the Fourth Proportional to 9,729.41, 13,423.47 and 5,751.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.41 : 13,423.47 = 5,751.86 : x
2. Step 2: Convert to fraction form
   9,729.41/13,423.47 = 5,751.86/x
3. Step 3: Cross multiply
   9,729.41x = 13,423.47 × 5,751.86
4. Step 4: Simplify right side
   9,729.41x = 77,209,920.15
5. Step 5: Solve for x
   x = 77,209,920.15/9,729.41
6. Step 6: Final answer
   x = 7,935.72