Finding the Fourth Proportional to 245,096.78, 338,213.31 and 136,204.32

Step by Step Solution

1. Step 1: Write the proportion equation
   245,096.78 : 338,213.31 = 136,204.32 : x
2. Step 2: Convert to fraction form
   245,096.78/338,213.31 = 136,204.32/x
3. Step 3: Cross multiply
   245,096.78x = 338,213.31 × 136,204.32
4. Step 4: Simplify right side
   245,096.78x = 46,066,113,903.50
5. Step 5: Solve for x
   x = 46,066,113,903.50/245,096.78
6. Step 6: Final answer
   x = 187,950.71