Finding the Fourth Proportional to 1,254,085,987.26, 1,729,032,112.78 and 1,027,189,096.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,085,987.26 : 1,729,032,112.78 = 1,027,189,096.05 : x
2. Step 2: Convert to fraction form
   1,254,085,987.26/1,729,032,112.78 = 1,027,189,096.05/x
3. Step 3: Cross multiply
   1,254,085,987.26x = 1,729,032,112.78 × 1,027,189,096.05
4. Step 4: Simplify right side
   1,254,085,987.26x = 1,776,042,932,967,909,632
5. Step 5: Solve for x
   x = 1,776,042,932,967,909,632/1,254,085,987.26
6. Step 6: Final answer
   x = 1,416,205,069.68