Finding the Fourth Proportional to 2,620,659,629.99, 3,931,541,604.34 and 849,892,274.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,659,629.99 : 3,931,541,604.34 = 849,892,274.81 : x
2. Step 2: Convert to fraction form
   2,620,659,629.99/3,931,541,604.34 = 849,892,274.81/x
3. Step 3: Cross multiply
   2,620,659,629.99x = 3,931,541,604.34 × 849,892,274.81
4. Step 4: Simplify right side
   2,620,659,629.99x = 3,341,386,837,615,640,576
5. Step 5: Solve for x
   x = 3,341,386,837,615,640,576/2,620,659,629.99
6. Step 6: Final answer
   x = 1,275,017,480.09