Finding the Fourth Proportional to 1,499,299.20, 2,248,947.06 and 488,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,299.20 : 2,248,947.06 = 488,419.50 : x
2. Step 2: Convert to fraction form
   1,499,299.20/2,248,947.06 = 488,419.50/x
3. Step 3: Cross multiply
   1,499,299.20x = 2,248,947.06 × 488,419.50
4. Step 4: Simplify right side
   1,499,299.20x = 1,098,429,598,571.67
5. Step 5: Solve for x
   x = 1,098,429,598,571.67/1,499,299.20
6. Step 6: Final answer
   x = 732,628.68