Finding the Fourth Proportional to 12,501.32, 18,758.90 and 7,491.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,501.32 : 18,758.90 = 7,491.39 : x
2. Step 2: Convert to fraction form
   12,501.32/18,758.90 = 7,491.39/x
3. Step 3: Cross multiply
   12,501.32x = 18,758.90 × 7,491.39
4. Step 4: Simplify right side
   12,501.32x = 140,530,184.25
5. Step 5: Solve for x
   x = 140,530,184.25/12,501.32
6. Step 6: Final answer
   x = 11,241.23