Finding the Fourth Proportional to 6,998.79, 10,500.62 and 3,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,998.79 : 10,500.62 = 3,105.93 : x
2. Step 2: Convert to fraction form
   6,998.79/10,500.62 = 3,105.93/x
3. Step 3: Cross multiply
   6,998.79x = 10,500.62 × 3,105.93
4. Step 4: Simplify right side
   6,998.79x = 32,614,175.15
5. Step 5: Solve for x
   x = 32,614,175.15/6,998.79
6. Step 6: Final answer
   x = 4,659.97