Finding the Fourth Proportional to 1,616.30, 2,423.93 and 1,071.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.30 : 2,423.93 = 1,071.37 : x
2. Step 2: Convert to fraction form
   1,616.30/2,423.93 = 1,071.37/x
3. Step 3: Cross multiply
   1,616.30x = 2,423.93 × 1,071.37
4. Step 4: Simplify right side
   1,616.30x = 2,596,922.50
5. Step 5: Solve for x
   x = 2,596,922.50/1,616.30
6. Step 6: Final answer
   x = 1,606.71