Finding the Fourth Proportional to 1,805,096.52, 2,491,065.18 and 989,245.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,096.52 : 2,491,065.18 = 989,245.86 : x
2. Step 2: Convert to fraction form
   1,805,096.52/2,491,065.18 = 989,245.86/x
3. Step 3: Cross multiply
   1,805,096.52x = 2,491,065.18 × 989,245.86
4. Step 4: Simplify right side
   1,805,096.52x = 2,464,275,916,305.15
5. Step 5: Solve for x
   x = 2,464,275,916,305.15/1,805,096.52
6. Step 6: Final answer
   x = 1,365,176.81