Finding the Fourth Proportional to 10,405,615,746.50, 14,359,365,215.78 and 5,647,789,469.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405,615,746.50 : 14,359,365,215.78 = 5,647,789,469.34 : x
2. Step 2: Convert to fraction form
   10,405,615,746.50/14,359,365,215.78 = 5,647,789,469.34/x
3. Step 3: Cross multiply
   10,405,615,746.50x = 14,359,365,215.78 × 5,647,789,469.34
4. Step 4: Simplify right side
   10,405,615,746.50x = 81,098,671,652,089,380,864
5. Step 5: Solve for x
   x = 81,098,671,652,089,380,864/10,405,615,746.50
6. Step 6: Final answer
   x = 7,793,740,767.27