Finding the Fourth Proportional to 1,499,292.45, 2,248,936.92 and 488,412.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,292.45 : 2,248,936.92 = 488,412.79 : x
2. Step 2: Convert to fraction form
   1,499,292.45/2,248,936.92 = 488,412.79/x
3. Step 3: Cross multiply
   1,499,292.45x = 2,248,936.92 × 488,412.79
4. Step 4: Simplify right side
   1,499,292.45x = 1,098,409,550,008.86
5. Step 5: Solve for x
   x = 1,098,409,550,008.86/1,499,292.45
6. Step 6: Final answer
   x = 732,618.61