Finding the Fourth Proportional to 111,003.24, 153,127.62 and 75,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,003.24 : 153,127.62 = 75,180.72 : x
2. Step 2: Convert to fraction form
   111,003.24/153,127.62 = 75,180.72/x
3. Step 3: Cross multiply
   111,003.24x = 153,127.62 × 75,180.72
4. Step 4: Simplify right side
   111,003.24x = 11,512,244,723.49
5. Step 5: Solve for x
   x = 11,512,244,723.49/111,003.24
6. Step 6: Final answer
   x = 103,710.89