Finding the Fourth Proportional to 3,827,720,556, 5,282,256,492.72 and 2,067,587,981.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,827,720,556 : 5,282,256,492.72 = 2,067,587,981.28 : x
2. Step 2: Convert to fraction form
   3,827,720,556/5,282,256,492.72 = 2,067,587,981.28/x
3. Step 3: Cross multiply
   3,827,720,556x = 5,282,256,492.72 × 2,067,587,981.28
4. Step 4: Simplify right side
   3,827,720,556x = 10,921,530,038,386,118,656
5. Step 5: Solve for x
   x = 10,921,530,038,386,118,656/3,827,720,556
6. Step 6: Final answer
   x = 2,853,272,562.25