Finding the Fourth Proportional to 111,939.60, 167,803.83 and 55,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,939.60 : 167,803.83 = 55,726.50 : x
2. Step 2: Convert to fraction form
   111,939.60/167,803.83 = 55,726.50/x
3. Step 3: Cross multiply
   111,939.60x = 167,803.83 × 55,726.50
4. Step 4: Simplify right side
   111,939.60x = 9,351,120,132.50
5. Step 5: Solve for x
   x = 9,351,120,132.50/111,939.60
6. Step 6: Final answer
   x = 83,537.19