Finding the Fourth Proportional to 10,455,851,646.67, 15,688,408,978.66 and 5,480,391,062.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,455,851,646.67 : 15,688,408,978.66 = 5,480,391,062.82 : x
2. Step 2: Convert to fraction form
   10,455,851,646.67/15,688,408,978.66 = 5,480,391,062.82/x
3. Step 3: Cross multiply
   10,455,851,646.67x = 15,688,408,978.66 × 5,480,391,062.82
4. Step 4: Simplify right side
   10,455,851,646.67x = 85,978,616,356,513,300,480
5. Step 5: Solve for x
   x = 85,978,616,356,513,300,480/10,455,851,646.67
6. Step 6: Final answer
   x = 8,223,014,180.19