Finding the Fourth Proportional to 3,512,334,196.63, 5,268,810,976.10 and 991,284,885.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,512,334,196.63 : 5,268,810,976.10 = 991,284,885.32 : x
2. Step 2: Convert to fraction form
   3,512,334,196.63/5,268,810,976.10 = 991,284,885.32/x
3. Step 3: Cross multiply
   3,512,334,196.63x = 5,268,810,976.10 × 991,284,885.32
4. Step 4: Simplify right side
   3,512,334,196.63x = 5,222,892,684,211,089,408
5. Step 5: Solve for x
   x = 5,222,892,684,211,089,408/3,512,334,196.63
6. Step 6: Final answer
   x = 1,487,014,729.19