Finding the Fourth Proportional to 111,458.16, 167,099.28 and 55,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,458.16 : 167,099.28 = 55,259.52 : x
2. Step 2: Convert to fraction form
   111,458.16/167,099.28 = 55,259.52/x
3. Step 3: Cross multiply
   111,458.16x = 167,099.28 × 55,259.52
4. Step 4: Simplify right side
   111,458.16x = 9,233,826,005.15
5. Step 5: Solve for x
   x = 9,233,826,005.15/111,458.16
6. Step 6: Final answer
   x = 82,845.67