Finding the Fourth Proportional to 111,556.50, 153,956.22 and 69,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,556.50 : 153,956.22 = 69,123.30 : x
2. Step 2: Convert to fraction form
   111,556.50/153,956.22 = 69,123.30/x
3. Step 3: Cross multiply
   111,556.50x = 153,956.22 × 69,123.30
4. Step 4: Simplify right side
   111,556.50x = 10,641,961,981.93
5. Step 5: Solve for x
   x = 10,641,961,981.93/111,556.50
6. Step 6: Final answer
   x = 95,395.27