Finding the Fourth Proportional to 16,742.57, 25,123.59 and 7,508.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,742.57 : 25,123.59 = 7,508.57 : x
2. Step 2: Convert to fraction form
   16,742.57/25,123.59 = 7,508.57/x
3. Step 3: Cross multiply
   16,742.57x = 25,123.59 × 7,508.57
4. Step 4: Simplify right side
   16,742.57x = 188,642,234.17
5. Step 5: Solve for x
   x = 188,642,234.17/16,742.57
6. Step 6: Final answer
   x = 11,267.22