Finding the Fourth Proportional to 54,111.51, 81,171.34 and 16,157.79

Step by Step Solution

1. Step 1: Write the proportion equation
   54,111.51 : 81,171.34 = 16,157.79 : x
2. Step 2: Convert to fraction form
   54,111.51/81,171.34 = 16,157.79/x
3. Step 3: Cross multiply
   54,111.51x = 81,171.34 × 16,157.79
4. Step 4: Simplify right side
   54,111.51x = 1,311,549,425.34
5. Step 5: Solve for x
   x = 1,311,549,425.34/54,111.51
6. Step 6: Final answer
   x = 24,237.90