Finding the Fourth Proportional to 2,215,342,308.54, 3,057,136,413.32 and 1,211,751,097.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,342,308.54 : 3,057,136,413.32 = 1,211,751,097.12 : x
2. Step 2: Convert to fraction form
   2,215,342,308.54/3,057,136,413.32 = 1,211,751,097.12/x
3. Step 3: Cross multiply
   2,215,342,308.54x = 3,057,136,413.32 × 1,211,751,097.12
4. Step 4: Simplify right side
   2,215,342,308.54x = 3,704,488,402,892,710,400
5. Step 5: Solve for x
   x = 3,704,488,402,892,710,400/2,215,342,308.54
6. Step 6: Final answer
   x = 1,672,196,837.76