Finding the Fourth Proportional to 54,111.89, 74,674.28 and 30,238.56

Step by Step Solution

1. Step 1: Write the proportion equation
   54,111.89 : 74,674.28 = 30,238.56 : x
2. Step 2: Convert to fraction form
   54,111.89/74,674.28 = 30,238.56/x
3. Step 3: Cross multiply
   54,111.89x = 74,674.28 × 30,238.56
4. Step 4: Simplify right side
   54,111.89x = 2,258,043,051.86
5. Step 5: Solve for x
   x = 2,258,043,051.86/54,111.89
6. Step 6: Final answer
   x = 41,729.15