Finding the Fourth Proportional to 6,891.18, 10,341.02 and 3,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,891.18 : 10,341.02 = 3,192.72 : x
2. Step 2: Convert to fraction form
   6,891.18/10,341.02 = 3,192.72/x
3. Step 3: Cross multiply
   6,891.18x = 10,341.02 × 3,192.72
4. Step 4: Simplify right side
   6,891.18x = 33,015,981.37
5. Step 5: Solve for x
   x = 33,015,981.37/6,891.18
6. Step 6: Final answer
   x = 4,791.05