Finding the Fourth Proportional to 913,456,300.05, 1,260,570,910.41 and 495,768,585.33

Step by Step Solution

1. Step 1: Write the proportion equation
   913,456,300.05 : 1,260,570,910.41 = 495,768,585.33 : x
2. Step 2: Convert to fraction form
   913,456,300.05/1,260,570,910.41 = 495,768,585.33/x
3. Step 3: Cross multiply
   913,456,300.05x = 1,260,570,910.41 × 495,768,585.33
4. Step 4: Simplify right side
   913,456,300.05x = 624,951,456,962,115,840
5. Step 5: Solve for x
   x = 624,951,456,962,115,840/913,456,300.05
6. Step 6: Final answer
   x = 684,161,307.91