Finding the Fourth Proportional to 142,582,441.50, 196,758,677.61 and 80,701,451.46

Step by Step Solution

1. Step 1: Write the proportion equation
   142,582,441.50 : 196,758,677.61 = 80,701,451.46 : x
2. Step 2: Convert to fraction form
   142,582,441.50/196,758,677.61 = 80,701,451.46/x
3. Step 3: Cross multiply
   142,582,441.50x = 196,758,677.61 × 80,701,451.46
4. Step 4: Simplify right side
   142,582,441.50x = 15,878,710,870,477,204
5. Step 5: Solve for x
   x = 15,878,710,870,477,204/142,582,441.50
6. Step 6: Final answer
   x = 111,365,121.14