Finding the Fourth Proportional to 2,436,155,783.82, 3,361,807,981.01 and 1,378,861,053.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,155,783.82 : 3,361,807,981.01 = 1,378,861,053.56 : x
2. Step 2: Convert to fraction form
   2,436,155,783.82/3,361,807,981.01 = 1,378,861,053.56/x
3. Step 3: Cross multiply
   2,436,155,783.82x = 3,361,807,981.01 × 1,378,861,053.56
4. Step 4: Simplify right side
   2,436,155,783.82x = 4,635,466,094,573,716,480
5. Step 5: Solve for x
   x = 4,635,466,094,573,716,480/2,436,155,783.82
6. Step 6: Final answer
   x = 1,902,779,011.65