Finding the Fourth Proportional to 312,196.24, 468,007.31 and 112,467.78

Step by Step Solution

1. Step 1: Write the proportion equation
   312,196.24 : 468,007.31 = 112,467.78 : x
2. Step 2: Convert to fraction form
   312,196.24/468,007.31 = 112,467.78/x
3. Step 3: Cross multiply
   312,196.24x = 468,007.31 × 112,467.78
4. Step 4: Simplify right side
   312,196.24x = 52,635,743,179.47
5. Step 5: Solve for x
   x = 52,635,743,179.47/312,196.24
6. Step 6: Final answer
   x = 168,598.26