Finding the Fourth Proportional to 464,106.72, 640,480.32 and 262,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   464,106.72 : 640,480.32 = 262,902.72 : x
2. Step 2: Convert to fraction form
   464,106.72/640,480.32 = 262,902.72/x
3. Step 3: Cross multiply
   464,106.72x = 640,480.32 × 262,902.72
4. Step 4: Simplify right side
   464,106.72x = 168,384,018,234.47
5. Step 5: Solve for x
   x = 168,384,018,234.47/464,106.72
6. Step 6: Final answer
   x = 362,813.14