Finding the Fourth Proportional to 113,648.06, 170,521.25 and 60,996.03

Step by Step Solution

1. Step 1: Write the proportion equation
   113,648.06 : 170,521.25 = 60,996.03 : x
2. Step 2: Convert to fraction form
   113,648.06/170,521.25 = 60,996.03/x
3. Step 3: Cross multiply
   113,648.06x = 170,521.25 × 60,996.03
4. Step 4: Simplify right side
   113,648.06x = 10,401,118,975.66
5. Step 5: Solve for x
   x = 10,401,118,975.66/113,648.06
6. Step 6: Final answer
   x = 91,520.43