Finding the Fourth Proportional to 1,499,279.29, 2,248,917.12 and 488,399.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,279.29 : 2,248,917.12 = 488,399.62 : x
2. Step 2: Convert to fraction form
   1,499,279.29/2,248,917.12 = 488,399.62/x
3. Step 3: Cross multiply
   1,499,279.29x = 2,248,917.12 × 488,399.62
4. Step 4: Simplify right side
   1,499,279.29x = 1,098,370,266,819.49
5. Step 5: Solve for x
   x = 1,098,370,266,819.49/1,499,279.29
6. Step 6: Final answer
   x = 732,598.84