Finding the Fourth Proportional to 111,301.50, 153,596.07 and 60,999.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,301.50 : 153,596.07 = 60,999.42 : x
2. Step 2: Convert to fraction form
   111,301.50/153,596.07 = 60,999.42/x
3. Step 3: Cross multiply
   111,301.50x = 153,596.07 × 60,999.42
4. Step 4: Simplify right side
   111,301.50x = 9,369,271,184.28
5. Step 5: Solve for x
   x = 9,369,271,184.28/111,301.50
6. Step 6: Final answer
   x = 84,179.20