Finding the Fourth Proportional to 6,890.91, 10,333.18 and 2,210.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,890.91 : 10,333.18 = 2,210.05 : x
2. Step 2: Convert to fraction form
   6,890.91/10,333.18 = 2,210.05/x
3. Step 3: Cross multiply
   6,890.91x = 10,333.18 × 2,210.05
4. Step 4: Simplify right side
   6,890.91x = 22,836,844.46
5. Step 5: Solve for x
   x = 22,836,844.46/6,890.91
6. Step 6: Final answer
   x = 3,314.05