Finding the Fourth Proportional to 1,831,885,665.31, 2,748,990,718.82 and 782,631,774.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831,885,665.31 : 2,748,990,718.82 = 782,631,774.31 : x
2. Step 2: Convert to fraction form
   1,831,885,665.31/2,748,990,718.82 = 782,631,774.31/x
3. Step 3: Cross multiply
   1,831,885,665.31x = 2,748,990,718.82 × 782,631,774.31
4. Step 4: Simplify right side
   1,831,885,665.31x = 2,151,447,483,831,819,008
5. Step 5: Solve for x
   x = 2,151,447,483,831,819,008/1,831,885,665.31
6. Step 6: Final answer
   x = 1,174,444,194.07