Finding the Fourth Proportional to 2,185,962,327.56, 3,278,940,921.48 and 712,099,724.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,962,327.56 : 3,278,940,921.48 = 712,099,724.96 : x
2. Step 2: Convert to fraction form
   2,185,962,327.56/3,278,940,921.48 = 712,099,724.96/x
3. Step 3: Cross multiply
   2,185,962,327.56x = 3,278,940,921.48 × 712,099,724.96
4. Step 4: Simplify right side
   2,185,962,327.56x = 2,334,932,928,345,997,312
5. Step 5: Solve for x
   x = 2,334,932,928,345,997,312/2,185,962,327.56
6. Step 6: Final answer
   x = 1,068,148,750.28