Finding the Fourth Proportional to 111,937.78, 154,477.91 and 60,952.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,937.78 : 154,477.91 = 60,952.48 : x
2. Step 2: Convert to fraction form
   111,937.78/154,477.91 = 60,952.48/x
3. Step 3: Cross multiply
   111,937.78x = 154,477.91 × 60,952.48
4. Step 4: Simplify right side
   111,937.78x = 9,415,811,719.72
5. Step 5: Solve for x
   x = 9,415,811,719.72/111,937.78
6. Step 6: Final answer
   x = 84,116.48