Finding the Fourth Proportional to 2,210.91, 3,300.56 and 2,134.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.91 : 3,300.56 = 2,134.05 : x
2. Step 2: Convert to fraction form
   2,210.91/3,300.56 = 2,134.05/x
3. Step 3: Cross multiply
   2,210.91x = 3,300.56 × 2,134.05
4. Step 4: Simplify right side
   2,210.91x = 7,043,549.40
5. Step 5: Solve for x
   x = 7,043,549.40/2,210.91
6. Step 6: Final answer
   x = 3,185.81