Finding the Fourth Proportional to 13,111,117,424.63, 19,659,147,911.89 and 5,133,945,710.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111,117,424.63 : 19,659,147,911.89 = 5,133,945,710.75 : x
2. Step 2: Convert to fraction form
   13,111,117,424.63/19,659,147,911.89 = 5,133,945,710.75/x
3. Step 3: Cross multiply
   13,111,117,424.63x = 19,659,147,911.89 × 5,133,945,710.75
4. Step 4: Simplify right side
   13,111,117,424.63x = 100,928,998,099,164,594,176
5. Step 5: Solve for x
   x = 100,928,998,099,164,594,176/13,111,117,424.63
6. Step 6: Final answer
   x = 7,697,970,724.41