Finding the Fourth Proportional to 749,665.50, 1,124,499.33 and 306,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   749,665.50 : 1,124,499.33 = 306,433.50 : x
2. Step 2: Convert to fraction form
   749,665.50/1,124,499.33 = 306,433.50/x
3. Step 3: Cross multiply
   749,665.50x = 1,124,499.33 × 306,433.50
4. Step 4: Simplify right side
   749,665.50x = 344,584,265,439.56
5. Step 5: Solve for x
   x = 344,584,265,439.56/749,665.50
6. Step 6: Final answer
   x = 459,650.69