Finding the Fourth Proportional to 3,564,851,965.29, 4,919,248,844.55 and 1,978,819,002.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,851,965.29 : 4,919,248,844.55 = 1,978,819,002.09 : x
2. Step 2: Convert to fraction form
   3,564,851,965.29/4,919,248,844.55 = 1,978,819,002.09/x
3. Step 3: Cross multiply
   3,564,851,965.29x = 4,919,248,844.55 × 1,978,819,002.09
4. Step 4: Simplify right side
   3,564,851,965.29x = 9,734,303,089,604,816,896
5. Step 5: Solve for x
   x = 9,734,303,089,604,816,896/3,564,851,965.29
6. Step 6: Final answer
   x = 2,730,633,188.81