Finding the Fourth Proportional to 111,383.21, 167,099.42 and 55,253.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,383.21 : 167,099.42 = 55,253.86 : x
2. Step 2: Convert to fraction form
   111,383.21/167,099.42 = 55,253.86/x
3. Step 3: Cross multiply
   111,383.21x = 167,099.42 × 55,253.86
4. Step 4: Simplify right side
   111,383.21x = 9,232,887,679.15
5. Step 5: Solve for x
   x = 9,232,887,679.15/111,383.21
6. Step 6: Final answer
   x = 82,892.99