Finding the Fourth Proportional to 111,935.53, 167,915.59 and 55,789.77

Step by Step Solution

1. Step 1: Write the proportion equation
   111,935.53 : 167,915.59 = 55,789.77 : x
2. Step 2: Convert to fraction form
   111,935.53/167,915.59 = 55,789.77/x
3. Step 3: Cross multiply
   111,935.53x = 167,915.59 × 55,789.77
4. Step 4: Simplify right side
   111,935.53x = 9,367,972,005.36
5. Step 5: Solve for x
   x = 9,367,972,005.36/111,935.53
6. Step 6: Final answer
   x = 83,690.78