Finding the Fourth Proportional to 25,624.91, 35,348.16 and 15,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,624.91 : 35,348.16 = 15,012.50 : x
2. Step 2: Convert to fraction form
   25,624.91/35,348.16 = 15,012.50/x
3. Step 3: Cross multiply
   25,624.91x = 35,348.16 × 15,012.50
4. Step 4: Simplify right side
   25,624.91x = 530,664,131.56
5. Step 5: Solve for x
   x = 530,664,131.56/25,624.91
6. Step 6: Final answer
   x = 20,708.91