Finding the Fourth Proportional to 1,516.47, 2,273.63 and 1,224.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.47 : 2,273.63 = 1,224.33 : x
2. Step 2: Convert to fraction form
   1,516.47/2,273.63 = 1,224.33/x
3. Step 3: Cross multiply
   1,516.47x = 2,273.63 × 1,224.33
4. Step 4: Simplify right side
   1,516.47x = 2,783,667.30
5. Step 5: Solve for x
   x = 2,783,667.30/1,516.47
6. Step 6: Final answer
   x = 1,835.62