Finding the Fourth Proportional to 2,621,687.58, 3,932,743.59 and 728,429.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,687.58 : 3,932,743.59 = 728,429.22 : x
2. Step 2: Convert to fraction form
   2,621,687.58/3,932,743.59 = 728,429.22/x
3. Step 3: Cross multiply
   2,621,687.58x = 3,932,743.59 × 728,429.22
4. Step 4: Simplify right side
   2,621,687.58x = 2,864,725,345,723.70
5. Step 5: Solve for x
   x = 2,864,725,345,723.70/2,621,687.58
6. Step 6: Final answer
   x = 1,092,702.79