Finding the Fourth Proportional to 111,789, 167,732.10 and 55,685.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,789 : 167,732.10 = 55,685.16 : x
2. Step 2: Convert to fraction form
   111,789/167,732.10 = 55,685.16/x
3. Step 3: Cross multiply
   111,789x = 167,732.10 × 55,685.16
4. Step 4: Simplify right side
   111,789x = 9,340,188,825.64
5. Step 5: Solve for x
   x = 9,340,188,825.64/111,789
6. Step 6: Final answer
   x = 83,551.95