Finding the Fourth Proportional to 111,518.05, 153,894.52 and 60,530.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,518.05 : 153,894.52 = 60,530.78 : x
2. Step 2: Convert to fraction form
   111,518.05/153,894.52 = 60,530.78/x
3. Step 3: Cross multiply
   111,518.05x = 153,894.52 × 60,530.78
4. Step 4: Simplify right side
   111,518.05x = 9,315,355,333.33
5. Step 5: Solve for x
   x = 9,315,355,333.33/111,518.05
6. Step 6: Final answer
   x = 83,532.27