Finding the Fourth Proportional to 89,464.68, 134,113.59 and 30,259.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,464.68 : 134,113.59 = 30,259.15 : x
2. Step 2: Convert to fraction form
   89,464.68/134,113.59 = 30,259.15/x
3. Step 3: Cross multiply
   89,464.68x = 134,113.59 × 30,259.15
4. Step 4: Simplify right side
   89,464.68x = 4,058,162,901.56
5. Step 5: Solve for x
   x = 4,058,162,901.56/89,464.68
6. Step 6: Final answer
   x = 45,360.50