Finding the Fourth Proportional to 142,665.52, 196,878.24 and 79,003.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,665.52 : 196,878.24 = 79,003.24 : x
2. Step 2: Convert to fraction form
   142,665.52/196,878.24 = 79,003.24/x
3. Step 3: Cross multiply
   142,665.52x = 196,878.24 × 79,003.24
4. Step 4: Simplify right side
   142,665.52x = 15,554,018,845.50
5. Step 5: Solve for x
   x = 15,554,018,845.50/142,665.52
6. Step 6: Final answer
   x = 109,024.37