Finding the Fourth Proportional to 111,568.78, 153,965.17 and 60,581.51

Step by Step Solution

1. Step 1: Write the proportion equation
   111,568.78 : 153,965.17 = 60,581.51 : x
2. Step 2: Convert to fraction form
   111,568.78/153,965.17 = 60,581.51/x
3. Step 3: Cross multiply
   111,568.78x = 153,965.17 × 60,581.51
4. Step 4: Simplify right side
   111,568.78x = 9,327,442,486.01
5. Step 5: Solve for x
   x = 9,327,442,486.01/111,568.78
6. Step 6: Final answer
   x = 83,602.62