Finding the Fourth Proportional to 54,748.72, 75,553.32 and 30,875.32

Step by Step Solution

1. Step 1: Write the proportion equation
   54,748.72 : 75,553.32 = 30,875.32 : x
2. Step 2: Convert to fraction form
   54,748.72/75,553.32 = 30,875.32/x
3. Step 3: Cross multiply
   54,748.72x = 75,553.32 × 30,875.32
4. Step 4: Simplify right side
   54,748.72x = 2,332,732,932.06
5. Step 5: Solve for x
   x = 2,332,732,932.06/54,748.72
6. Step 6: Final answer
   x = 42,607.99