Finding the Fourth Proportional to 5,437.34, 8,158.71 and 2,152.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,437.34 : 8,158.71 = 2,152.79 : x
2. Step 2: Convert to fraction form
   5,437.34/8,158.71 = 2,152.79/x
3. Step 3: Cross multiply
   5,437.34x = 8,158.71 × 2,152.79
4. Step 4: Simplify right side
   5,437.34x = 17,563,989.30
5. Step 5: Solve for x
   x = 17,563,989.30/5,437.34
6. Step 6: Final answer
   x = 3,230.25