Finding the Fourth Proportional to 1,881,110,978.14, 2,820,088,086.82 and 831,679,749.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881,110,978.14 : 2,820,088,086.82 = 831,679,749.85 : x
2. Step 2: Convert to fraction form
   1,881,110,978.14/2,820,088,086.82 = 831,679,749.85/x
3. Step 3: Cross multiply
   1,881,110,978.14x = 2,820,088,086.82 × 831,679,749.85
4. Step 4: Simplify right side
   1,881,110,978.14x = 2,345,410,154,583,163,904
5. Step 5: Solve for x
   x = 2,345,410,154,583,163,904/1,881,110,978.14
6. Step 6: Final answer
   x = 1,246,821,788.74