Finding the Fourth Proportional to 2,227,990,445.91, 3,342,096,676.17 and 847,911,914.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,990,445.91 : 3,342,096,676.17 = 847,911,914.55 : x
2. Step 2: Convert to fraction form
   2,227,990,445.91/3,342,096,676.17 = 847,911,914.55/x
3. Step 3: Cross multiply
   2,227,990,445.91x = 3,342,096,676.17 × 847,911,914.55
4. Step 4: Simplify right side
   2,227,990,445.91x = 2,833,803,591,302,495,744
5. Step 5: Solve for x
   x = 2,833,803,591,302,495,744/2,227,990,445.91
6. Step 6: Final answer
   x = 1,271,910,118.15