Finding the Fourth Proportional to 142,582,338.86, 196,758,536.64 and 80,701,348.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,582,338.86 : 196,758,536.64 = 80,701,348.82 : x
2. Step 2: Convert to fraction form
   142,582,338.86/196,758,536.64 = 80,701,348.82/x
3. Step 3: Cross multiply
   142,582,338.86x = 196,758,536.64 × 80,701,348.82
4. Step 4: Simplify right side
   142,582,338.86x = 15,878,679,298,697,388
5. Step 5: Solve for x
   x = 15,878,679,298,697,388/142,582,338.86
6. Step 6: Final answer
   x = 111,364,979.88