Finding the Fourth Proportional to 1,117.71, 1,674.72 and 500.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.71 : 1,674.72 = 500.49 : x
2. Step 2: Convert to fraction form
   1,117.71/1,674.72 = 500.49/x
3. Step 3: Cross multiply
   1,117.71x = 1,674.72 × 500.49
4. Step 4: Simplify right side
   1,117.71x = 838,180.61
5. Step 5: Solve for x
   x = 838,180.61/1,117.71
6. Step 6: Final answer
   x = 749.91