Finding the Fourth Proportional to 455,851.28, 629,112.63 and 251,942.00

Step by Step Solution

1. Step 1: Write the proportion equation
   455,851.28 : 629,112.63 = 251,942.00 : x
2. Step 2: Convert to fraction form
   455,851.28/629,112.63 = 251,942.00/x
3. Step 3: Cross multiply
   455,851.28x = 629,112.63 × 251,942.00
4. Step 4: Simplify right side
   455,851.28x = 158,499,891,081.90
5. Step 5: Solve for x
   x = 158,499,891,081.90/455,851.28
6. Step 6: Final answer
   x = 347,700.88