Finding the Fourth Proportional to 146,440.72, 202,087.56 and 79,372.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,440.72 : 202,087.56 = 79,372.72 : x
2. Step 2: Convert to fraction form
   146,440.72/202,087.56 = 79,372.72/x
3. Step 3: Cross multiply
   146,440.72x = 202,087.56 × 79,372.72
4. Step 4: Simplify right side
   146,440.72x = 16,040,239,315.36
5. Step 5: Solve for x
   x = 16,040,239,315.36/146,440.72
6. Step 6: Final answer
   x = 109,534.01