Finding the Fourth Proportional to 89,848,978.43, 134,418,859.75 and 68,052,147.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,848,978.43 : 134,418,859.75 = 68,052,147.25 : x
2. Step 2: Convert to fraction form
   89,848,978.43/134,418,859.75 = 68,052,147.25/x
3. Step 3: Cross multiply
   89,848,978.43x = 134,418,859.75 × 68,052,147.25
4. Step 4: Simplify right side
   89,848,978.43x = 9,147,492,036,377,922
5. Step 5: Solve for x
   x = 9,147,492,036,377,922/89,848,978.43
6. Step 6: Final answer
   x = 101,809,638.75