Finding the Fourth Proportional to 2,219,928,084.33, 3,329,632,922.94 and 891,902,363.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,928,084.33 : 3,329,632,922.94 = 891,902,363.67 : x
2. Step 2: Convert to fraction form
   2,219,928,084.33/3,329,632,922.94 = 891,902,363.67/x
3. Step 3: Cross multiply
   2,219,928,084.33x = 3,329,632,922.94 × 891,902,363.67
4. Step 4: Simplify right side
   2,219,928,084.33x = 2,969,707,474,123,636,736
5. Step 5: Solve for x
   x = 2,969,707,474,123,636,736/2,219,928,084.33
6. Step 6: Final answer
   x = 1,337,749,405.08