Finding the Fourth Proportional to 2,642,354,097.89, 3,643,063,661.34 and 2,164,283,281.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,354,097.89 : 3,643,063,661.34 = 2,164,283,281.76 : x
2. Step 2: Convert to fraction form
   2,642,354,097.89/3,643,063,661.34 = 2,164,283,281.76/x
3. Step 3: Cross multiply
   2,642,354,097.89x = 3,643,063,661.34 × 2,164,283,281.76
4. Step 4: Simplify right side
   2,642,354,097.89x = 7,884,621,776,607,322,112
5. Step 5: Solve for x
   x = 7,884,621,776,607,322,112/2,642,354,097.89
6. Step 6: Final answer
   x = 2,983,938,368.79