Finding the Fourth Proportional to 111,128.50, 153,358.42 and 60,828.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.50 : 153,358.42 = 60,828.58 : x
2. Step 2: Convert to fraction form
   111,128.50/153,358.42 = 60,828.58/x
3. Step 3: Cross multiply
   111,128.50x = 153,358.42 × 60,828.58
4. Step 4: Simplify right side
   111,128.50x = 9,328,574,919.64
5. Step 5: Solve for x
   x = 9,328,574,919.64/111,128.50
6. Step 6: Final answer
   x = 83,944.04