Finding the Fourth Proportional to 25,091.72, 34,624.50 and 13,761

Step by Step Solution

1. Step 1: Write the proportion equation
   25,091.72 : 34,624.50 = 13,761 : x
2. Step 2: Convert to fraction form
   25,091.72/34,624.50 = 13,761/x
3. Step 3: Cross multiply
   25,091.72x = 34,624.50 × 13,761
4. Step 4: Simplify right side
   25,091.72x = 476,467,744.50
5. Step 5: Solve for x
   x = 476,467,744.50/25,091.72
6. Step 6: Final answer
   x = 18,989.04