Finding the Fourth Proportional to 1,498.27, 2,247.45 and 402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.27 : 2,247.45 = 402.72 : x
2. Step 2: Convert to fraction form
   1,498.27/2,247.45 = 402.72/x
3. Step 3: Cross multiply
   1,498.27x = 2,247.45 × 402.72
4. Step 4: Simplify right side
   1,498.27x = 905,095.77
5. Step 5: Solve for x
   x = 905,095.77/1,498.27
6. Step 6: Final answer
   x = 604.09