Finding the Fourth Proportional to 259,196.10, 357,568.38 and 151,699.56

Step by Step Solution

1. Step 1: Write the proportion equation
   259,196.10 : 357,568.38 = 151,699.56 : x
2. Step 2: Convert to fraction form
   259,196.10/357,568.38 = 151,699.56/x
3. Step 3: Cross multiply
   259,196.10x = 357,568.38 × 151,699.56
4. Step 4: Simplify right side
   259,196.10x = 54,242,965,915.91
5. Step 5: Solve for x
   x = 54,242,965,915.91/259,196.10
6. Step 6: Final answer
   x = 209,273.85