Finding the Fourth Proportional to 2,487.06, 3,727.23 and 947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.06 : 3,727.23 = 947.22 : x
2. Step 2: Convert to fraction form
   2,487.06/3,727.23 = 947.22/x
3. Step 3: Cross multiply
   2,487.06x = 3,727.23 × 947.22
4. Step 4: Simplify right side
   2,487.06x = 3,530,506.80
5. Step 5: Solve for x
   x = 3,530,506.80/2,487.06
6. Step 6: Final answer
   x = 1,419.55