Finding the Fourth Proportional to 13,111,117,425.14, 19,659,147,912.64 and 5,133,945,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111,117,425.14 : 19,659,147,912.64 = 5,133,945,711.25 : x
2. Step 2: Convert to fraction form
   13,111,117,425.14/19,659,147,912.64 = 5,133,945,711.25/x
3. Step 3: Cross multiply
   13,111,117,425.14x = 19,659,147,912.64 × 5,133,945,711.25
4. Step 4: Simplify right side
   13,111,117,425.14x = 100,928,998,112,829,210,624
5. Step 5: Solve for x
   x = 100,928,998,112,829,210,624/13,111,117,425.14
6. Step 6: Final answer
   x = 7,697,970,725.16