Finding the Fourth Proportional to 2,218,132,513.55, 3,321,916,947.27 and 1,283,485,627.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,132,513.55 : 3,321,916,947.27 = 1,283,485,627.61 : x
2. Step 2: Convert to fraction form
   2,218,132,513.55/3,321,916,947.27 = 1,283,485,627.61/x
3. Step 3: Cross multiply
   2,218,132,513.55x = 3,321,916,947.27 × 1,283,485,627.61
4. Step 4: Simplify right side
   2,218,132,513.55x = 4,263,632,657,930,812,928
5. Step 5: Solve for x
   x = 4,263,632,657,930,812,928/2,218,132,513.55
6. Step 6: Final answer
   x = 1,922,172,202.01