Finding the Fourth Proportional to 1,568,688.32, 2,164,789.91 and 889,624.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568,688.32 : 2,164,789.91 = 889,624.82 : x
2. Step 2: Convert to fraction form
   1,568,688.32/2,164,789.91 = 889,624.82/x
3. Step 3: Cross multiply
   1,568,688.32x = 2,164,789.91 × 889,624.82
4. Step 4: Simplify right side
   1,568,688.32x = 1,925,850,834,021.57
5. Step 5: Solve for x
   x = 1,925,850,834,021.57/1,568,688.32
6. Step 6: Final answer
   x = 1,227,682.27