Finding the Fourth Proportional to 2,151,031.68, 3,228,541.34 and 1,086,821.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,031.68 : 3,228,541.34 = 1,086,821.69 : x
2. Step 2: Convert to fraction form
   2,151,031.68/3,228,541.34 = 1,086,821.69/x
3. Step 3: Cross multiply
   2,151,031.68x = 3,228,541.34 × 1,086,821.69
4. Step 4: Simplify right side
   2,151,031.68x = 3,508,848,733,796.85
5. Step 5: Solve for x
   x = 3,508,848,733,796.85/2,151,031.68
6. Step 6: Final answer
   x = 1,631,239.91