Finding the Fourth Proportional to 1,630.30, 2,425.84 and 1,624.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.30 : 2,425.84 = 1,624.83 : x
2. Step 2: Convert to fraction form
   1,630.30/2,425.84 = 1,624.83/x
3. Step 3: Cross multiply
   1,630.30x = 2,425.84 × 1,624.83
4. Step 4: Simplify right side
   1,630.30x = 3,941,592.91
5. Step 5: Solve for x
   x = 3,941,592.91/1,630.30
6. Step 6: Final answer
   x = 2,417.71