Finding the Fourth Proportional to 111,160.86, 153,401.67 and 60,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,160.86 : 153,401.67 = 60,859.50 : x
2. Step 2: Convert to fraction form
   111,160.86/153,401.67 = 60,859.50/x
3. Step 3: Cross multiply
   111,160.86x = 153,401.67 × 60,859.50
4. Step 4: Simplify right side
   111,160.86x = 9,335,948,935.37
5. Step 5: Solve for x
   x = 9,335,948,935.37/111,160.86
6. Step 6: Final answer
   x = 83,985.94