Finding the Fourth Proportional to 1,443,579,907.97, 1,991,798,797.01 and 817,048,335.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,579,907.97 : 1,991,798,797.01 = 817,048,335.89 : x
2. Step 2: Convert to fraction form
   1,443,579,907.97/1,991,798,797.01 = 817,048,335.89/x
3. Step 3: Cross multiply
   1,443,579,907.97x = 1,991,798,797.01 × 817,048,335.89
4. Step 4: Simplify right side
   1,443,579,907.97x = 1,627,395,892,525,618,944
5. Step 5: Solve for x
   x = 1,627,395,892,525,618,944/1,443,579,907.97
6. Step 6: Final answer
   x = 1,127,333,432.35