Finding the Fourth Proportional to 89,590.41, 134,406.42 and 30,426.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,590.41 : 134,406.42 = 30,426.15 : x
2. Step 2: Convert to fraction form
   89,590.41/134,406.42 = 30,426.15/x
3. Step 3: Cross multiply
   89,590.41x = 134,406.42 × 30,426.15
4. Step 4: Simplify right side
   89,590.41x = 4,089,469,895.88
5. Step 5: Solve for x
   x = 4,089,469,895.88/89,590.41
6. Step 6: Final answer
   x = 45,646.29