Finding the Fourth Proportional to 13,771,154,164.97, 20,656,661,910.00 and 5,377,912,100.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771,154,164.97 : 20,656,661,910.00 = 5,377,912,100.80 : x
2. Step 2: Convert to fraction form
   13,771,154,164.97/20,656,661,910.00 = 5,377,912,100.80/x
3. Step 3: Cross multiply
   13,771,154,164.97x = 20,656,661,910.00 × 5,377,912,100.80
4. Step 4: Simplify right side
   13,771,154,164.97x = 111,089,712,047,844,900,864
5. Step 5: Solve for x
   x = 111,089,712,047,844,900,864/13,771,154,164.97
6. Step 6: Final answer
   x = 8,066,841,073.53