Finding the Fourth Proportional to 456,146.15, 629,456.29 and 252,185.15

Step by Step Solution

1. Step 1: Write the proportion equation
   456,146.15 : 629,456.29 = 252,185.15 : x
2. Step 2: Convert to fraction form
   456,146.15/629,456.29 = 252,185.15/x
3. Step 3: Cross multiply
   456,146.15x = 629,456.29 × 252,185.15
4. Step 4: Simplify right side
   456,146.15x = 158,739,529,855.27
5. Step 5: Solve for x
   x = 158,739,529,855.27/456,146.15
6. Step 6: Final answer
   x = 348,001.47