Finding the Fourth Proportional to 172,667.50, 259,038.30 and 97,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,667.50 : 259,038.30 = 97,823.50 : x
2. Step 2: Convert to fraction form
   172,667.50/259,038.30 = 97,823.50/x
3. Step 3: Cross multiply
   172,667.50x = 259,038.30 × 97,823.50
4. Step 4: Simplify right side
   172,667.50x = 25,340,033,140.05
5. Step 5: Solve for x
   x = 25,340,033,140.05/172,667.50
6. Step 6: Final answer
   x = 146,756.24