Finding the Fourth Proportional to 9,212,436.78, 12,713,091.62 and 5,082,641.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,212,436.78 : 12,713,091.62 = 5,082,641.97 : x
2. Step 2: Convert to fraction form
   9,212,436.78/12,713,091.62 = 5,082,641.97/x
3. Step 3: Cross multiply
   9,212,436.78x = 12,713,091.62 × 5,082,641.97
4. Step 4: Simplify right side
   9,212,436.78x = 64,616,093,010,854.08
5. Step 5: Solve for x
   x = 64,616,093,010,854.08/9,212,436.78
6. Step 6: Final answer
   x = 7,014,006.67