Finding the Fourth Proportional to 12,924,742,645.99, 19,359,963,917.83 and 8,200,632,885.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,924,742,645.99 : 19,359,963,917.83 = 8,200,632,885.31 : x
2. Step 2: Convert to fraction form
   12,924,742,645.99/19,359,963,917.83 = 8,200,632,885.31/x
3. Step 3: Cross multiply
   12,924,742,645.99x = 19,359,963,917.83 × 8,200,632,885.31
4. Step 4: Simplify right side
   12,924,742,645.99x = 158,763,956,762,993,033,216
5. Step 5: Solve for x
   x = 158,763,956,762,993,033,216/12,924,742,645.99
6. Step 6: Final answer
   x = 12,283,722,864.86