Finding the Fourth Proportional to 89,848,978.94, 134,418,860.50 and 68,052,147.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,848,978.94 : 134,418,860.50 = 68,052,147.75 : x
2. Step 2: Convert to fraction form
   89,848,978.94/134,418,860.50 = 68,052,147.75/x
3. Step 3: Cross multiply
   89,848,978.94x = 134,418,860.50 × 68,052,147.75
4. Step 4: Simplify right side
   89,848,978.94x = 9,147,492,154,792,378
5. Step 5: Solve for x
   x = 9,147,492,154,792,378/89,848,978.94
6. Step 6: Final answer
   x = 101,809,639.50