Finding the Fourth Proportional to 5,437.05, 8,156.78 and 2,150.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,437.05 : 8,156.78 = 2,150.47 : x
2. Step 2: Convert to fraction form
   5,437.05/8,156.78 = 2,150.47/x
3. Step 3: Cross multiply
   5,437.05x = 8,156.78 × 2,150.47
4. Step 4: Simplify right side
   5,437.05x = 17,540,910.69
5. Step 5: Solve for x
   x = 17,540,910.69/5,437.05
6. Step 6: Final answer
   x = 3,226.18