Finding the Fourth Proportional to 111,030.58, 153,223.41 and 60,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,030.58 : 153,223.41 = 60,728.50 : x
2. Step 2: Convert to fraction form
   111,030.58/153,223.41 = 60,728.50/x
3. Step 3: Cross multiply
   111,030.58x = 153,223.41 × 60,728.50
4. Step 4: Simplify right side
   111,030.58x = 9,305,027,854.19
5. Step 5: Solve for x
   x = 9,305,027,854.19/111,030.58
6. Step 6: Final answer
   x = 83,805.99