Finding the Fourth Proportional to 111,400.28, 167,013.72 and 75,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,400.28 : 167,013.72 = 75,768.38 : x
2. Step 2: Convert to fraction form
   111,400.28/167,013.72 = 75,768.38/x
3. Step 3: Cross multiply
   111,400.28x = 167,013.72 × 75,768.38
4. Step 4: Simplify right side
   111,400.28x = 12,654,359,002.17
5. Step 5: Solve for x
   x = 12,654,359,002.17/111,400.28
6. Step 6: Final answer
   x = 113,593.60