Finding the Fourth Proportional to 259,152.54, 357,616.71 and 145,968.18

Step by Step Solution

1. Step 1: Write the proportion equation
   259,152.54 : 357,616.71 = 145,968.18 : x
2. Step 2: Convert to fraction form
   259,152.54/357,616.71 = 145,968.18/x
3. Step 3: Cross multiply
   259,152.54x = 357,616.71 × 145,968.18
4. Step 4: Simplify right side
   259,152.54x = 52,200,660,296.29
5. Step 5: Solve for x
   x = 52,200,660,296.29/259,152.54
6. Step 6: Final answer
   x = 201,428.32