Finding the Fourth Proportional to 2,602.63, 3,921.50 and 2,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.63 : 3,921.50 = 2,150.52 : x
2. Step 2: Convert to fraction form
   2,602.63/3,921.50 = 2,150.52/x
3. Step 3: Cross multiply
   2,602.63x = 3,921.50 × 2,150.52
4. Step 4: Simplify right side
   2,602.63x = 8,433,264.18
5. Step 5: Solve for x
   x = 8,433,264.18/2,602.63
6. Step 6: Final answer
   x = 3,240.29