Finding the Fourth Proportional to 10,455,851,645.67, 15,688,408,977.16 and 5,480,391,061.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,455,851,645.67 : 15,688,408,977.16 = 5,480,391,061.82 : x
2. Step 2: Convert to fraction form
   10,455,851,645.67/15,688,408,977.16 = 5,480,391,061.82/x
3. Step 3: Cross multiply
   10,455,851,645.67x = 15,688,408,977.16 × 5,480,391,061.82
4. Step 4: Simplify right side
   10,455,851,645.67x = 85,978,616,332,542,312,448
5. Step 5: Solve for x
   x = 85,978,616,332,542,312,448/10,455,851,645.67
6. Step 6: Final answer
   x = 8,223,014,178.68