Finding the Fourth Proportional to 142,739,300.16, 196,936,837.92 and 80,849,805.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,739,300.16 : 196,936,837.92 = 80,849,805.12 : x
2. Step 2: Convert to fraction form
   142,739,300.16/196,936,837.92 = 80,849,805.12/x
3. Step 3: Cross multiply
   142,739,300.16x = 196,936,837.92 × 80,849,805.12
4. Step 4: Simplify right side
   142,739,300.16x = 15,922,304,966,781,026
5. Step 5: Solve for x
   x = 15,922,304,966,781,026/142,739,300.16
6. Step 6: Final answer
   x = 111,548,150.71