Finding the Fourth Proportional to 111,750.72, 154,288.80 and 69,371.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,750.72 : 154,288.80 = 69,371.52 : x
2. Step 2: Convert to fraction form
   111,750.72/154,288.80 = 69,371.52/x
3. Step 3: Cross multiply
   111,750.72x = 154,288.80 × 69,371.52
4. Step 4: Simplify right side
   111,750.72x = 10,703,248,574.98
5. Step 5: Solve for x
   x = 10,703,248,574.98/111,750.72
6. Step 6: Final answer
   x = 95,777.89