Finding the Fourth Proportional to 2,146.52, 2,962.32 and 1,621.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.52 : 2,962.32 = 1,621.64 : x
2. Step 2: Convert to fraction form
   2,146.52/2,962.32 = 1,621.64/x
3. Step 3: Cross multiply
   2,146.52x = 2,962.32 × 1,621.64
4. Step 4: Simplify right side
   2,146.52x = 4,803,816.60
5. Step 5: Solve for x
   x = 4,803,816.60/2,146.52
6. Step 6: Final answer
   x = 2,237.96