Finding the Fourth Proportional to 111,119.28, 166,605.71 and 63,089.11

Step by Step Solution

1. Step 1: Write the proportion equation
   111,119.28 : 166,605.71 = 63,089.11 : x
2. Step 2: Convert to fraction form
   111,119.28/166,605.71 = 63,089.11/x
3. Step 3: Cross multiply
   111,119.28x = 166,605.71 × 63,089.11
4. Step 4: Simplify right side
   111,119.28x = 10,511,005,964.82
5. Step 5: Solve for x
   x = 10,511,005,964.82/111,119.28
6. Step 6: Final answer
   x = 94,592.10