Finding the Fourth Proportional to 10,455,851,646.73, 15,688,408,978.76 and 5,480,391,062.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,455,851,646.73 : 15,688,408,978.76 = 5,480,391,062.88 : x
2. Step 2: Convert to fraction form
   10,455,851,646.73/15,688,408,978.76 = 5,480,391,062.88/x
3. Step 3: Cross multiply
   10,455,851,646.73x = 15,688,408,978.76 × 5,480,391,062.88
4. Step 4: Simplify right side
   10,455,851,646.73x = 85,978,616,357,946,982,400
5. Step 5: Solve for x
   x = 85,978,616,357,946,982,400/10,455,851,646.73
6. Step 6: Final answer
   x = 8,223,014,180.28