Finding the Fourth Proportional to 2,436,155,784.57, 3,361,807,982.05 and 1,378,861,054.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,155,784.57 : 3,361,807,982.05 = 1,378,861,054.31 : x
2. Step 2: Convert to fraction form
   2,436,155,784.57/3,361,807,982.05 = 1,378,861,054.31/x
3. Step 3: Cross multiply
   2,436,155,784.57x = 3,361,807,982.05 × 1,378,861,054.31
4. Step 4: Simplify right side
   2,436,155,784.57x = 4,635,466,098,522,055,680
5. Step 5: Solve for x
   x = 4,635,466,098,522,055,680/2,436,155,784.57
6. Step 6: Final answer
   x = 1,902,779,012.69