Finding the Fourth Proportional to 472,436.56, 651,799.72 and 329,144.32

Step by Step Solution

1. Step 1: Write the proportion equation
   472,436.56 : 651,799.72 = 329,144.32 : x
2. Step 2: Convert to fraction form
   472,436.56/651,799.72 = 329,144.32/x
3. Step 3: Cross multiply
   472,436.56x = 651,799.72 × 329,144.32
4. Step 4: Simplify right side
   472,436.56x = 214,536,175,615.59
5. Step 5: Solve for x
   x = 214,536,175,615.59/472,436.56
6. Step 6: Final answer
   x = 454,105.79