Finding the Fourth Proportional to 111,503.72, 153,873.83 and 60,516.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,503.72 : 153,873.83 = 60,516.54 : x
2. Step 2: Convert to fraction form
   111,503.72/153,873.83 = 60,516.54/x
3. Step 3: Cross multiply
   111,503.72x = 153,873.83 × 60,516.54
4. Step 4: Simplify right side
   111,503.72x = 9,311,911,939.44
5. Step 5: Solve for x
   x = 9,311,911,939.44/111,503.72
6. Step 6: Final answer
   x = 83,512.12