Finding the Fourth Proportional to 111,443.94, 153,792.14 and 60,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,443.94 : 153,792.14 = 60,456.72 : x
2. Step 2: Convert to fraction form
   111,443.94/153,792.14 = 60,456.72/x
3. Step 3: Cross multiply
   111,443.94x = 153,792.14 × 60,456.72
4. Step 4: Simplify right side
   111,443.94x = 9,297,768,346.18
5. Step 5: Solve for x
   x = 9,297,768,346.18/111,443.94
6. Step 6: Final answer
   x = 83,430.00