Finding the Fourth Proportional to 111,540.86, 153,926.81 and 60,553.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,540.86 : 153,926.81 = 60,553.69 : x
2. Step 2: Convert to fraction form
   111,540.86/153,926.81 = 60,553.69/x
3. Step 3: Cross multiply
   111,540.86x = 153,926.81 × 60,553.69
4. Step 4: Simplify right side
   111,540.86x = 9,320,837,081.37
5. Step 5: Solve for x
   x = 9,320,837,081.37/111,540.86
6. Step 6: Final answer
   x = 83,564.33