Finding the Fourth Proportional to 2,642,353,997.31, 3,643,063,522.81 and 2,164,283,181.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,353,997.31 : 3,643,063,522.81 = 2,164,283,181.20 : x
2. Step 2: Convert to fraction form
   2,642,353,997.31/3,643,063,522.81 = 2,164,283,181.20/x
3. Step 3: Cross multiply
   2,642,353,997.31x = 3,643,063,522.81 × 2,164,283,181.20
4. Step 4: Simplify right side
   2,642,353,997.31x = 7,884,621,110,464,602,112
5. Step 5: Solve for x
   x = 7,884,621,110,464,602,112/2,642,353,997.31
6. Step 6: Final answer
   x = 2,983,938,230.26