Finding the Fourth Proportional to 142,832,086.10, 197,110,438.53 and 80,122,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   142,832,086.10 : 197,110,438.53 = 80,122,085.05 : x
2. Step 2: Convert to fraction form
   142,832,086.10/197,110,438.53 = 80,122,085.05/x
3. Step 3: Cross multiply
   142,832,086.10x = 197,110,438.53 × 80,122,085.05
4. Step 4: Simplify right side
   142,832,086.10x = 15,792,899,320,143,456
5. Step 5: Solve for x
   x = 15,792,899,320,143,456/142,832,086.10
6. Step 6: Final answer
   x = 110,569,688.87