Finding the Fourth Proportional to 1,630.47, 2,430.24 and 1,617.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.47 : 2,430.24 = 1,617.71 : x
2. Step 2: Convert to fraction form
   1,630.47/2,430.24 = 1,617.71/x
3. Step 3: Cross multiply
   1,630.47x = 2,430.24 × 1,617.71
4. Step 4: Simplify right side
   1,630.47x = 3,931,429.63
5. Step 5: Solve for x
   x = 3,931,429.63/1,630.47
6. Step 6: Final answer
   x = 2,411.22