Finding the Fourth Proportional to 142,752.30, 197,010.27 and 79,110.06

Step by Step Solution

1. Step 1: Write the proportion equation
   142,752.30 : 197,010.27 = 79,110.06 : x
2. Step 2: Convert to fraction form
   142,752.30/197,010.27 = 79,110.06/x
3. Step 3: Cross multiply
   142,752.30x = 197,010.27 × 79,110.06
4. Step 4: Simplify right side
   142,752.30x = 15,585,494,280.32
5. Step 5: Solve for x
   x = 15,585,494,280.32/142,752.30
6. Step 6: Final answer
   x = 109,178.59