Finding the Fourth Proportional to 1,666.48, 2,499.71 and 496.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.48 : 2,499.71 = 496.49 : x
2. Step 2: Convert to fraction form
   1,666.48/2,499.71 = 496.49/x
3. Step 3: Cross multiply
   1,666.48x = 2,499.71 × 496.49
4. Step 4: Simplify right side
   1,666.48x = 1,241,081.02
5. Step 5: Solve for x
   x = 1,241,081.02/1,666.48
6. Step 6: Final answer
   x = 744.73