Finding the Fourth Proportional to 7,729.94, 10,641.50 and 7,377.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,729.94 : 10,641.50 = 7,377.32 : x
2. Step 2: Convert to fraction form
   7,729.94/10,641.50 = 7,377.32/x
3. Step 3: Cross multiply
   7,729.94x = 10,641.50 × 7,377.32
4. Step 4: Simplify right side
   7,729.94x = 78,505,713.89
5. Step 5: Solve for x
   x = 78,505,713.89/7,729.94
6. Step 6: Final answer
   x = 10,156.06