Finding the Fourth Proportional to 2,105,664,251.94, 3,153,483,128.73 and 1,218,479,372.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,664,251.94 : 3,153,483,128.73 = 1,218,479,372.07 : x
2. Step 2: Convert to fraction form
   2,105,664,251.94/3,153,483,128.73 = 1,218,479,372.07/x
3. Step 3: Cross multiply
   2,105,664,251.94x = 3,153,483,128.73 × 1,218,479,372.07
4. Step 4: Simplify right side
   2,105,664,251.94x = 3,842,454,142,528,269,312
5. Step 5: Solve for x
   x = 3,842,454,142,528,269,312/2,105,664,251.94
6. Step 6: Final answer
   x = 1,824,818,053.96