Finding the Fourth Proportional to 31,855.72, 43,814.76 and 25,554.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,855.72 : 43,814.76 = 25,554.28 : x
2. Step 2: Convert to fraction form
   31,855.72/43,814.76 = 25,554.28/x
3. Step 3: Cross multiply
   31,855.72x = 43,814.76 × 25,554.28
4. Step 4: Simplify right side
   31,855.72x = 1,119,654,645.17
5. Step 5: Solve for x
   x = 1,119,654,645.17/31,855.72
6. Step 6: Final answer
   x = 35,147.68