Finding the Fourth Proportional to 142,630,863.06, 196,835,456.76 and 79,909,605.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,630,863.06 : 196,835,456.76 = 79,909,605.72 : x
2. Step 2: Convert to fraction form
   142,630,863.06/196,835,456.76 = 79,909,605.72/x
3. Step 3: Cross multiply
   142,630,863.06x = 196,835,456.76 × 79,909,605.72
4. Step 4: Simplify right side
   142,630,863.06x = 15,729,043,741,407,708
5. Step 5: Solve for x
   x = 15,729,043,741,407,708/142,630,863.06
6. Step 6: Final answer
   x = 110,277,981.95