Finding the Fourth Proportional to 418,040,803.98, 626,819,105.34 and 141,599,367.54

Step by Step Solution

1. Step 1: Write the proportion equation
   418,040,803.98 : 626,819,105.34 = 141,599,367.54 : x
2. Step 2: Convert to fraction form
   418,040,803.98/626,819,105.34 = 141,599,367.54/x
3. Step 3: Cross multiply
   418,040,803.98x = 626,819,105.34 × 141,599,367.54
4. Step 4: Simplify right side
   418,040,803.98x = 88,757,188,878,132,640
5. Step 5: Solve for x
   x = 88,757,188,878,132,640/418,040,803.98
6. Step 6: Final answer
   x = 212,317,046.64