Finding the Fourth Proportional to 1,472.34, 2,208.72 and 498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.34 : 2,208.72 = 498.72 : x
2. Step 2: Convert to fraction form
   1,472.34/2,208.72 = 498.72/x
3. Step 3: Cross multiply
   1,472.34x = 2,208.72 × 498.72
4. Step 4: Simplify right side
   1,472.34x = 1,101,532.84
5. Step 5: Solve for x
   x = 1,101,532.84/1,472.34
6. Step 6: Final answer
   x = 748.15