Finding the Fourth Proportional to 3,415.37, 4,714.35 and 2,158.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,415.37 : 4,714.35 = 2,158.52 : x
2. Step 2: Convert to fraction form
   3,415.37/4,714.35 = 2,158.52/x
3. Step 3: Cross multiply
   3,415.37x = 4,714.35 × 2,158.52
4. Step 4: Simplify right side
   3,415.37x = 10,176,039.01
5. Step 5: Solve for x
   x = 10,176,039.01/3,415.37
6. Step 6: Final answer
   x = 2,979.49