Finding the Fourth Proportional to 2,406,822,556.39, 3,320,917,755.86 and 1,389,530,354.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,822,556.39 : 3,320,917,755.86 = 1,389,530,354.47 : x
2. Step 2: Convert to fraction form
   2,406,822,556.39/3,320,917,755.86 = 1,389,530,354.47/x
3. Step 3: Cross multiply
   2,406,822,556.39x = 3,320,917,755.86 × 1,389,530,354.47
4. Step 4: Simplify right side
   2,406,822,556.39x = 4,614,516,026,461,034,496
5. Step 5: Solve for x
   x = 4,614,516,026,461,034,496/2,406,822,556.39
6. Step 6: Final answer
   x = 1,917,264,741.52