Finding the Fourth Proportional to 89,588.41, 134,403.42 and 30,424.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,588.41 : 134,403.42 = 30,424.15 : x
2. Step 2: Convert to fraction form
   89,588.41/134,403.42 = 30,424.15/x
3. Step 3: Cross multiply
   89,588.41x = 134,403.42 × 30,424.15
4. Step 4: Simplify right side
   89,588.41x = 4,089,109,810.59
5. Step 5: Solve for x
   x = 4,089,109,810.59/89,588.41
6. Step 6: Final answer
   x = 45,643.29