Finding the Fourth Proportional to 456,131.42, 629,459.78 and 254,927.42

Step by Step Solution

1. Step 1: Write the proportion equation
   456,131.42 : 629,459.78 = 254,927.42 : x
2. Step 2: Convert to fraction form
   456,131.42/629,459.78 = 254,927.42/x
3. Step 3: Cross multiply
   456,131.42x = 629,459.78 × 254,927.42
4. Step 4: Simplify right side
   456,131.42x = 160,466,557,709.17
5. Step 5: Solve for x
   x = 160,466,557,709.17/456,131.42
6. Step 6: Final answer
   x = 351,798.96