Finding the Fourth Proportional to 81,147,188,116.70, 111,936,594,063.06 and 50,610,356,026.28

Step by Step Solution

1. Step 1: Write the proportion equation
   81,147,188,116.70 : 111,936,594,063.06 = 50,610,356,026.28 : x
2. Step 2: Convert to fraction form
   81,147,188,116.70/111,936,594,063.06 = 50,610,356,026.28/x
3. Step 3: Cross multiply
   81,147,188,116.70x = 111,936,594,063.06 × 50,610,356,026.28
4. Step 4: Simplify right side
   81,147,188,116.70x = 5,665,150,877,900,087,492,608
5. Step 5: Solve for x
   x = 5,665,150,877,900,087,492,608/81,147,188,116.70
6. Step 6: Final answer
   x = 69,813,273,994.82