Finding the Fourth Proportional to 259,514.72, 358,069.04 and 146,315.60

Step by Step Solution

1. Step 1: Write the proportion equation
   259,514.72 : 358,069.04 = 146,315.60 : x
2. Step 2: Convert to fraction form
   259,514.72/358,069.04 = 146,315.60/x
3. Step 3: Cross multiply
   259,514.72x = 358,069.04 × 146,315.60
4. Step 4: Simplify right side
   259,514.72x = 52,391,086,429.02
5. Step 5: Solve for x
   x = 52,391,086,429.02/259,514.72
6. Step 6: Final answer
   x = 201,880.98