Finding the Fourth Proportional to 259,039.50, 357,474.51 and 151,604.34

Step by Step Solution

1. Step 1: Write the proportion equation
   259,039.50 : 357,474.51 = 151,604.34 : x
2. Step 2: Convert to fraction form
   259,039.50/357,474.51 = 151,604.34/x
3. Step 3: Cross multiply
   259,039.50x = 357,474.51 × 151,604.34
4. Step 4: Simplify right side
   259,039.50x = 54,194,687,155.37
5. Step 5: Solve for x
   x = 54,194,687,155.37/259,039.50
6. Step 6: Final answer
   x = 209,213.99