Finding the Fourth Proportional to 89,880.57, 134,820.89 and 30,716.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,880.57 : 134,820.89 = 30,716.75 : x
2. Step 2: Convert to fraction form
   89,880.57/134,820.89 = 30,716.75/x
3. Step 3: Cross multiply
   89,880.57x = 134,820.89 × 30,716.75
4. Step 4: Simplify right side
   89,880.57x = 4,141,258,745.22
5. Step 5: Solve for x
   x = 4,141,258,745.22/89,880.57
6. Step 6: Final answer
   x = 46,075.13