Finding the Fourth Proportional to 89,488.15, 134,222.99 and 30,322.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,488.15 : 134,222.99 = 30,322.28 : x
2. Step 2: Convert to fraction form
   89,488.15/134,222.99 = 30,322.28/x
3. Step 3: Cross multiply
   89,488.15x = 134,222.99 × 30,322.28
4. Step 4: Simplify right side
   89,488.15x = 4,069,947,269.16
5. Step 5: Solve for x
   x = 4,069,947,269.16/89,488.15
6. Step 6: Final answer
   x = 45,480.29