Finding the Fourth Proportional to 89,268.56, 133,809.42 and 30,083.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,268.56 : 133,809.42 = 30,083.78 : x
2. Step 2: Convert to fraction form
   89,268.56/133,809.42 = 30,083.78/x
3. Step 3: Cross multiply
   89,268.56x = 133,809.42 × 30,083.78
4. Step 4: Simplify right side
   89,268.56x = 4,025,493,600.55
5. Step 5: Solve for x
   x = 4,025,493,600.55/89,268.56
6. Step 6: Final answer
   x = 45,094.19