Finding the Fourth Proportional to 111,500.75, 153,868.49 and 60,513.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,500.75 : 153,868.49 = 60,513.58 : x
2. Step 2: Convert to fraction form
   111,500.75/153,868.49 = 60,513.58/x
3. Step 3: Cross multiply
   111,500.75x = 153,868.49 × 60,513.58
4. Step 4: Simplify right side
   111,500.75x = 9,311,132,409.75
5. Step 5: Solve for x
   x = 9,311,132,409.75/111,500.75
6. Step 6: Final answer
   x = 83,507.36