Finding the Fourth Proportional to 1,223,995,662.42, 1,836,353,710.99 and 394,933,752.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,995,662.42 : 1,836,353,710.99 = 394,933,752.10 : x
2. Step 2: Convert to fraction form
   1,223,995,662.42/1,836,353,710.99 = 394,933,752.10/x
3. Step 3: Cross multiply
   1,223,995,662.42x = 1,836,353,710.99 × 394,933,752.10
4. Step 4: Simplify right side
   1,223,995,662.42x = 725,238,061,264,039,808
5. Step 5: Solve for x
   x = 725,238,061,264,039,808/1,223,995,662.42
6. Step 6: Final answer
   x = 592,516,855.68