Finding the Fourth Proportional to 1,808.86, 2,707.12 and 1,516.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.86 : 2,707.12 = 1,516.69 : x
2. Step 2: Convert to fraction form
   1,808.86/2,707.12 = 1,516.69/x
3. Step 3: Cross multiply
   1,808.86x = 2,707.12 × 1,516.69
4. Step 4: Simplify right side
   1,808.86x = 4,105,855.69
5. Step 5: Solve for x
   x = 4,105,855.69/1,808.86
6. Step 6: Final answer
   x = 2,269.86