Finding the Fourth Proportional to 455,895.01, 629,147.69 and 251,959.15

Step by Step Solution

1. Step 1: Write the proportion equation
   455,895.01 : 629,147.69 = 251,959.15 : x
2. Step 2: Convert to fraction form
   455,895.01/629,147.69 = 251,959.15/x
3. Step 3: Cross multiply
   455,895.01x = 629,147.69 × 251,959.15
4. Step 4: Simplify right side
   455,895.01x = 158,519,517,196.86
5. Step 5: Solve for x
   x = 158,519,517,196.86/455,895.01
6. Step 6: Final answer
   x = 347,710.58