Finding the Fourth Proportional to 895,920,069.36, 1,236,443,306.00 and 494,112,407.01

Step by Step Solution

1. Step 1: Write the proportion equation
   895,920,069.36 : 1,236,443,306.00 = 494,112,407.01 : x
2. Step 2: Convert to fraction form
   895,920,069.36/1,236,443,306.00 = 494,112,407.01/x
3. Step 3: Cross multiply
   895,920,069.36x = 1,236,443,306.00 × 494,112,407.01
4. Step 4: Simplify right side
   895,920,069.36x = 610,941,978,056,591,360
5. Step 5: Solve for x
   x = 610,941,978,056,591,360/895,920,069.36
6. Step 6: Final answer
   x = 681,915,718.77