Finding the Fourth Proportional to 21,004,256, 31,488,413.32 and 8,059,696

Step by Step Solution

1. Step 1: Write the proportion equation
   21,004,256 : 31,488,413.32 = 8,059,696 : x
2. Step 2: Convert to fraction form
   21,004,256/31,488,413.32 = 8,059,696/x
3. Step 3: Cross multiply
   21,004,256x = 31,488,413.32 × 8,059,696
4. Step 4: Simplify right side
   21,004,256x = 253,787,038,881,550.72
5. Step 5: Solve for x
   x = 253,787,038,881,550.72/21,004,256
6. Step 6: Final answer
   x = 12,082,648.34