Finding the Fourth Proportional to 111,057.56, 153,261.78 and 60,756.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,057.56 : 153,261.78 = 60,756.56 : x
2. Step 2: Convert to fraction form
   111,057.56/153,261.78 = 60,756.56/x
3. Step 3: Cross multiply
   111,057.56x = 153,261.78 × 60,756.56
4. Step 4: Simplify right side
   111,057.56x = 9,311,658,532.28
5. Step 5: Solve for x
   x = 9,311,658,532.28/111,057.56
6. Step 6: Final answer
   x = 83,845.34