Finding the Fourth Proportional to 2,153,133.38, 3,229,592.71 and 805,196.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,133.38 : 3,229,592.71 = 805,196.89 : x
2. Step 2: Convert to fraction form
   2,153,133.38/3,229,592.71 = 805,196.89/x
3. Step 3: Cross multiply
   2,153,133.38x = 3,229,592.71 × 805,196.89
4. Step 4: Simplify right side
   2,153,133.38x = 2,600,457,997,481.44
5. Step 5: Solve for x
   x = 2,600,457,997,481.44/2,153,133.38
6. Step 6: Final answer
   x = 1,207,755.18