Finding the Fourth Proportional to 9,121,062,105.49, 12,587,584,376.03 and 5,106,697,254.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,121,062,105.49 : 12,587,584,376.03 = 5,106,697,254.29 : x
2. Step 2: Convert to fraction form
   9,121,062,105.49/12,587,584,376.03 = 5,106,697,254.29/x
3. Step 3: Cross multiply
   9,121,062,105.49x = 12,587,584,376.03 × 5,106,697,254.29
4. Step 4: Simplify right side
   9,121,062,105.49x = 64,280,982,571,216,109,568
5. Step 5: Solve for x
   x = 64,280,982,571,216,109,568/9,121,062,105.49
6. Step 6: Final answer
   x = 7,047,532,603.96