Finding the Fourth Proportional to 1,776,261,167.78, 2,451,269,439.69 and 972,475,258.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,261,167.78 : 2,451,269,439.69 = 972,475,258.82 : x
2. Step 2: Convert to fraction form
   1,776,261,167.78/2,451,269,439.69 = 972,475,258.82/x
3. Step 3: Cross multiply
   1,776,261,167.78x = 2,451,269,439.69 × 972,475,258.82
4. Step 4: Simplify right side
   1,776,261,167.78x = 2,383,798,882,800,089,088
5. Step 5: Solve for x
   x = 2,383,798,882,800,089,088/1,776,261,167.78
6. Step 6: Final answer
   x = 1,342,031,749.63