Finding the Fourth Proportional to 2,121,851.92, 3,181,614.72 and 841,162

Step by Step Solution

1. Step 1: Write the proportion equation
   2,121,851.92 : 3,181,614.72 = 841,162 : x
2. Step 2: Convert to fraction form
   2,121,851.92/3,181,614.72 = 841,162/x
3. Step 3: Cross multiply
   2,121,851.92x = 3,181,614.72 × 841,162
4. Step 4: Simplify right side
   2,121,851.92x = 2,676,253,401,104.64
5. Step 5: Solve for x
   x = 2,676,253,401,104.64/2,121,851.92
6. Step 6: Final answer
   x = 1,261,281.89