Finding the Fourth Proportional to 142,854,940.62, 214,231,031.07 and 49,456,551.42

Step by Step Solution

1. Step 1: Write the proportion equation
   142,854,940.62 : 214,231,031.07 = 49,456,551.42 : x
2. Step 2: Convert to fraction form
   142,854,940.62/214,231,031.07 = 49,456,551.42/x
3. Step 3: Cross multiply
   142,854,940.62x = 214,231,031.07 × 49,456,551.42
4. Step 4: Simplify right side
   142,854,940.62x = 10,595,128,003,873,072
5. Step 5: Solve for x
   x = 10,595,128,003,873,072/142,854,940.62
6. Step 6: Final answer
   x = 74,167,039.36