Finding the Fourth Proportional to 1,063,408.91, 1,595,105.16 and 264,685.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063,408.91 : 1,595,105.16 = 264,685.12 : x
2. Step 2: Convert to fraction form
   1,063,408.91/1,595,105.16 = 264,685.12/x
3. Step 3: Cross multiply
   1,063,408.91x = 1,595,105.16 × 264,685.12
4. Step 4: Simplify right side
   1,063,408.91x = 422,200,595,706.89
5. Step 5: Solve for x
   x = 422,200,595,706.89/1,063,408.91
6. Step 6: Final answer
   x = 397,025.63