Finding the Fourth Proportional to 2,643,323,607, 3,965,437,128.06 and 1,089,765,674.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,323,607 : 3,965,437,128.06 = 1,089,765,674.64 : x
2. Step 2: Convert to fraction form
   2,643,323,607/3,965,437,128.06 = 1,089,765,674.64/x
3. Step 3: Cross multiply
   2,643,323,607x = 3,965,437,128.06 × 1,089,765,674.64
4. Step 4: Simplify right side
   2,643,323,607x = 4,321,397,267,102,810,112
5. Step 5: Solve for x
   x = 4,321,397,267,102,810,112/2,643,323,607
6. Step 6: Final answer
   x = 1,634,834,742.01