Finding the Fourth Proportional to 13,029,066,563.27, 17,978,673,175.83 and 7,312,039,726.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,029,066,563.27 : 17,978,673,175.83 = 7,312,039,726.05 : x
2. Step 2: Convert to fraction form
   13,029,066,563.27/17,978,673,175.83 = 7,312,039,726.05/x
3. Step 3: Cross multiply
   13,029,066,563.27x = 17,978,673,175.83 × 7,312,039,726.05
4. Step 4: Simplify right side
   13,029,066,563.27x = 131,460,772,483,338,485,760
5. Step 5: Solve for x
   x = 131,460,772,483,338,485,760/13,029,066,563.27
6. Step 6: Final answer
   x = 10,089,807,419.82