Finding the Fourth Proportional to 456,196.74, 629,547.72 and 252,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   456,196.74 : 629,547.72 = 252,256.56 : x
2. Step 2: Convert to fraction form
   456,196.74/629,547.72 = 252,256.56/x
3. Step 3: Cross multiply
   456,196.74x = 629,547.72 × 252,256.56
4. Step 4: Simplify right side
   456,196.74x = 158,807,542,203.04
5. Step 5: Solve for x
   x = 158,807,542,203.04/456,196.74
6. Step 6: Final answer
   x = 348,111.96