Finding the Fourth Proportional to 6,789.79, 10,168.89 and 6,602.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.79 : 10,168.89 = 6,602.94 : x
2. Step 2: Convert to fraction form
   6,789.79/10,168.89 = 6,602.94/x
3. Step 3: Cross multiply
   6,789.79x = 10,168.89 × 6,602.94
4. Step 4: Simplify right side
   6,789.79x = 67,144,570.54
5. Step 5: Solve for x
   x = 67,144,570.54/6,789.79
6. Step 6: Final answer
   x = 9,889.05