Finding the Fourth Proportional to 54,015.56, 74,541.42 and 31,367.82

Step by Step Solution

1. Step 1: Write the proportion equation
   54,015.56 : 74,541.42 = 31,367.82 : x
2. Step 2: Convert to fraction form
   54,015.56/74,541.42 = 31,367.82/x
3. Step 3: Cross multiply
   54,015.56x = 74,541.42 × 31,367.82
4. Step 4: Simplify right side
   54,015.56x = 2,338,201,845.10
5. Step 5: Solve for x
   x = 2,338,201,845.10/54,015.56
6. Step 6: Final answer
   x = 43,287.56