Finding the Fourth Proportional to 259,353.56, 357,910.71 and 146,176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   259,353.56 : 357,910.71 = 146,176.31 : x
2. Step 2: Convert to fraction form
   259,353.56/357,910.71 = 146,176.31/x
3. Step 3: Cross multiply
   259,353.56x = 357,910.71 × 146,176.31
4. Step 4: Simplify right side
   259,353.56x = 52,318,066,897.28
5. Step 5: Solve for x
   x = 52,318,066,897.28/259,353.56
6. Step 6: Final answer
   x = 201,724.88