Finding the Fourth Proportional to 8,621,773,326.02, 12,932,605,718.64 and 4,639,733,168.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,621,773,326.02 : 12,932,605,718.64 = 4,639,733,168.60 : x
2. Step 2: Convert to fraction form
   8,621,773,326.02/12,932,605,718.64 = 4,639,733,168.60/x
3. Step 3: Cross multiply
   8,621,773,326.02x = 12,932,605,718.64 × 4,639,733,168.60
4. Step 4: Simplify right side
   8,621,773,326.02x = 60,003,839,709,200,048,128
5. Step 5: Solve for x
   x = 60,003,839,709,200,048,128/8,621,773,326.02
6. Step 6: Final answer
   x = 6,959,570,547.76