Finding the Fourth Proportional to 1,364.72, 2,047.21 and 498.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.72 : 2,047.21 = 498.83 : x
2. Step 2: Convert to fraction form
   1,364.72/2,047.21 = 498.83/x
3. Step 3: Cross multiply
   1,364.72x = 2,047.21 × 498.83
4. Step 4: Simplify right side
   1,364.72x = 1,021,198.28
5. Step 5: Solve for x
   x = 1,021,198.28/1,364.72
6. Step 6: Final answer
   x = 748.29