Finding the Fourth Proportional to 170,667.50, 235,609.69 and 124,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,667.50 : 235,609.69 = 124,675.50 : x
2. Step 2: Convert to fraction form
   170,667.50/235,609.69 = 124,675.50/x
3. Step 3: Cross multiply
   170,667.50x = 235,609.69 × 124,675.50
4. Step 4: Simplify right side
   170,667.50x = 29,374,755,905.60
5. Step 5: Solve for x
   x = 29,374,755,905.60/170,667.50
6. Step 6: Final answer
   x = 172,116.87