Finding the Fourth Proportional to 111,064.57, 166,251.34 and 60,336.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,064.57 : 166,251.34 = 60,336.75 : x
2. Step 2: Convert to fraction form
   111,064.57/166,251.34 = 60,336.75/x
3. Step 3: Cross multiply
   111,064.57x = 166,251.34 × 60,336.75
4. Step 4: Simplify right side
   111,064.57x = 10,031,064,963.05
5. Step 5: Solve for x
   x = 10,031,064,963.05/111,064.57
6. Step 6: Final answer
   x = 90,317.42