Finding the Fourth Proportional to 142,705.50, 196,933.59 and 79,047.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,705.50 : 196,933.59 = 79,047.41 : x
2. Step 2: Convert to fraction form
   142,705.50/196,933.59 = 79,047.41/x
3. Step 3: Cross multiply
   142,705.50x = 196,933.59 × 79,047.41
4. Step 4: Simplify right side
   142,705.50x = 15,567,089,246.83
5. Step 5: Solve for x
   x = 15,567,089,246.83/142,705.50
6. Step 6: Final answer
   x = 109,085.42