Finding the Fourth Proportional to 172,895.59, 259,281 and 73,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,895.59 : 259,281 = 73,063.50 : x
2. Step 2: Convert to fraction form
   172,895.59/259,281 = 73,063.50/x
3. Step 3: Cross multiply
   172,895.59x = 259,281 × 73,063.50
4. Step 4: Simplify right side
   172,895.59x = 18,943,976,371.20
5. Step 5: Solve for x
   x = 18,943,976,371.20/172,895.59
6. Step 6: Final answer
   x = 109,568.88