Finding the Fourth Proportional to 1,269.33, 1,903.89 and 499.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.33 : 1,903.89 = 499.83 : x
2. Step 2: Convert to fraction form
   1,269.33/1,903.89 = 499.83/x
3. Step 3: Cross multiply
   1,269.33x = 1,903.89 × 499.83
4. Step 4: Simplify right side
   1,269.33x = 951,621.34
5. Step 5: Solve for x
   x = 951,621.34/1,269.33
6. Step 6: Final answer
   x = 749.70