Finding the Fourth Proportional to 2,519,923,539.06, 3,779,777,620.71 and 861,979,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519,923,539.06 : 3,779,777,620.71 = 861,979,076.10 : x
2. Step 2: Convert to fraction form
   2,519,923,539.06/3,779,777,620.71 = 861,979,076.10/x
3. Step 3: Cross multiply
   2,519,923,539.06x = 3,779,777,620.71 × 861,979,076.10
4. Step 4: Simplify right side
   2,519,923,539.06x = 3,258,089,221,363,062,272
5. Step 5: Solve for x
   x = 3,258,089,221,363,062,272/2,519,923,539.06
6. Step 6: Final answer
   x = 1,292,931,777.83