Finding the Fourth Proportional to 259,404.42, 357,977.52 and 144,683.22

Step by Step Solution

1. Step 1: Write the proportion equation
   259,404.42 : 357,977.52 = 144,683.22 : x
2. Step 2: Convert to fraction form
   259,404.42/357,977.52 = 144,683.22/x
3. Step 3: Cross multiply
   259,404.42x = 357,977.52 × 144,683.22
4. Step 4: Simplify right side
   259,404.42x = 51,793,340,281.21
5. Step 5: Solve for x
   x = 51,793,340,281.21/259,404.42
6. Step 6: Final answer
   x = 199,662.52