Finding the Fourth Proportional to 111,566.86, 153,989.61 and 68,556.77

Step by Step Solution

1. Step 1: Write the proportion equation
   111,566.86 : 153,989.61 = 68,556.77 : x
2. Step 2: Convert to fraction form
   111,566.86/153,989.61 = 68,556.77/x
3. Step 3: Cross multiply
   111,566.86x = 153,989.61 × 68,556.77
4. Step 4: Simplify right side
   111,566.86x = 10,557,031,270.22
5. Step 5: Solve for x
   x = 10,557,031,270.22/111,566.86
6. Step 6: Final answer
   x = 94,625.15