Finding the Fourth Proportional to 1,123,805.76, 1,685,709.12 and 524,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,805.76 : 1,685,709.12 = 524,568 : x
2. Step 2: Convert to fraction form
   1,123,805.76/1,685,709.12 = 524,568/x
3. Step 3: Cross multiply
   1,123,805.76x = 1,685,709.12 × 524,568
4. Step 4: Simplify right side
   1,123,805.76x = 884,269,061,660.16
5. Step 5: Solve for x
   x = 884,269,061,660.16/1,123,805.76
6. Step 6: Final answer
   x = 786,852.22