Finding the Fourth Proportional to 82,212,241.41, 123,279,740.91 and 47,678,456.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,212,241.41 : 123,279,740.91 = 47,678,456.79 : x
2. Step 2: Convert to fraction form
   82,212,241.41/123,279,740.91 = 47,678,456.79/x
3. Step 3: Cross multiply
   82,212,241.41x = 123,279,740.91 × 47,678,456.79
4. Step 4: Simplify right side
   82,212,241.41x = 5,877,787,800,059,830
5. Step 5: Solve for x
   x = 5,877,787,800,059,830/82,212,241.41
6. Step 6: Final answer
   x = 71,495,287.07