Finding the Fourth Proportional to 456,428.89, 629,718.88 and 262,832.42

Step by Step Solution

1. Step 1: Write the proportion equation
   456,428.89 : 629,718.88 = 262,832.42 : x
2. Step 2: Convert to fraction form
   456,428.89/629,718.88 = 262,832.42/x
3. Step 3: Cross multiply
   456,428.89x = 629,718.88 × 262,832.42
4. Step 4: Simplify right side
   456,428.89x = 165,510,538,067.31
5. Step 5: Solve for x
   x = 165,510,538,067.31/456,428.89
6. Step 6: Final answer
   x = 362,620.65