Finding the Fourth Proportional to 54,754.72, 75,561.48 and 30,881.34

Step by Step Solution

1. Step 1: Write the proportion equation
   54,754.72 : 75,561.48 = 30,881.34 : x
2. Step 2: Convert to fraction form
   54,754.72/75,561.48 = 30,881.34/x
3. Step 3: Cross multiply
   54,754.72x = 75,561.48 × 30,881.34
4. Step 4: Simplify right side
   54,754.72x = 2,333,439,754.78
5. Step 5: Solve for x
   x = 2,333,439,754.78/54,754.72
6. Step 6: Final answer
   x = 42,616.23