Finding the Fourth Proportional to 146,499.24, 202,168.96 and 79,431.24

Step by Step Solution

1. Step 1: Write the proportion equation
   146,499.24 : 202,168.96 = 79,431.24 : x
2. Step 2: Convert to fraction form
   146,499.24/202,168.96 = 79,431.24/x
3. Step 3: Cross multiply
   146,499.24x = 202,168.96 × 79,431.24
4. Step 4: Simplify right side
   146,499.24x = 16,058,531,182.31
5. Step 5: Solve for x
   x = 16,058,531,182.31/146,499.24
6. Step 6: Final answer
   x = 109,615.12