Finding the Fourth Proportional to 1,499,988.38, 2,250,216.28 and 488,875.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,988.38 : 2,250,216.28 = 488,875.74 : x
2. Step 2: Convert to fraction form
   1,499,988.38/2,250,216.28 = 488,875.74/x
3. Step 3: Cross multiply
   1,499,988.38x = 2,250,216.28 × 488,875.74
4. Step 4: Simplify right side
   1,499,988.38x = 1,100,076,141,217.83
5. Step 5: Solve for x
   x = 1,100,076,141,217.83/1,499,988.38
6. Step 6: Final answer
   x = 733,389.78