Finding the Fourth Proportional to 110,968.50, 153,137.08 and 60,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,968.50 : 153,137.08 = 60,667.50 : x
2. Step 2: Convert to fraction form
   110,968.50/153,137.08 = 60,667.50/x
3. Step 3: Cross multiply
   110,968.50x = 153,137.08 × 60,667.50
4. Step 4: Simplify right side
   110,968.50x = 9,290,443,800.90
5. Step 5: Solve for x
   x = 9,290,443,800.90/110,968.50
6. Step 6: Final answer
   x = 83,721.45