Finding the Fourth Proportional to 1,630.61, 2,455.06 and 1,436.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.61 : 2,455.06 = 1,436.81 : x
2. Step 2: Convert to fraction form
   1,630.61/2,455.06 = 1,436.81/x
3. Step 3: Cross multiply
   1,630.61x = 2,455.06 × 1,436.81
4. Step 4: Simplify right side
   1,630.61x = 3,527,462.30
5. Step 5: Solve for x
   x = 3,527,462.30/1,630.61
6. Step 6: Final answer
   x = 2,163.28