Finding the Fourth Proportional to 1,516.50, 2,273.33 and 1,381.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.50 : 2,273.33 = 1,381.23 : x
2. Step 2: Convert to fraction form
   1,516.50/2,273.33 = 1,381.23/x
3. Step 3: Cross multiply
   1,516.50x = 2,273.33 × 1,381.23
4. Step 4: Simplify right side
   1,516.50x = 3,139,984.69
5. Step 5: Solve for x
   x = 3,139,984.69/1,516.50
6. Step 6: Final answer
   x = 2,070.55