Finding the Fourth Proportional to 54,100.71, 74,662.29 and 30,228.12

Step by Step Solution

1. Step 1: Write the proportion equation
   54,100.71 : 74,662.29 = 30,228.12 : x
2. Step 2: Convert to fraction form
   54,100.71/74,662.29 = 30,228.12/x
3. Step 3: Cross multiply
   54,100.71x = 74,662.29 × 30,228.12
4. Step 4: Simplify right side
   54,100.71x = 2,256,900,661.59
5. Step 5: Solve for x
   x = 2,256,900,661.59/54,100.71
6. Step 6: Final answer
   x = 41,716.66