Finding the Fourth Proportional to 111,665.25, 154,105.34 and 69,252.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,665.25 : 154,105.34 = 69,252.03 : x
2. Step 2: Convert to fraction form
   111,665.25/154,105.34 = 69,252.03/x
3. Step 3: Cross multiply
   111,665.25x = 154,105.34 × 69,252.03
4. Step 4: Simplify right side
   111,665.25x = 10,672,107,282.58
5. Step 5: Solve for x
   x = 10,672,107,282.58/111,665.25
6. Step 6: Final answer
   x = 95,572.32