Finding the Fourth Proportional to 5,306,069,399.34, 7,954,910,406.72 and 2,648,761,681.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,306,069,399.34 : 7,954,910,406.72 = 2,648,761,681.74 : x
2. Step 2: Convert to fraction form
   5,306,069,399.34/7,954,910,406.72 = 2,648,761,681.74/x
3. Step 3: Cross multiply
   5,306,069,399.34x = 7,954,910,406.72 × 2,648,761,681.74
4. Step 4: Simplify right side
   5,306,069,399.34x = 21,070,661,866,994,692,096
5. Step 5: Solve for x
   x = 21,070,661,866,994,692,096/5,306,069,399.34
6. Step 6: Final answer
   x = 3,971,049,053.68