Finding the Fourth Proportional to 89,490.59, 134,152.05 and 30,284.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,490.59 : 134,152.05 = 30,284.81 : x
2. Step 2: Convert to fraction form
   89,490.59/134,152.05 = 30,284.81/x
3. Step 3: Cross multiply
   89,490.59x = 134,152.05 × 30,284.81
4. Step 4: Simplify right side
   89,490.59x = 4,062,769,345.36
5. Step 5: Solve for x
   x = 4,062,769,345.36/89,490.59
6. Step 6: Final answer
   x = 45,398.84