Finding the Fourth Proportional to 13,459.77, 18,574.82 and 7,491.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,459.77 : 18,574.82 = 7,491.08 : x
2. Step 2: Convert to fraction form
   13,459.77/18,574.82 = 7,491.08/x
3. Step 3: Cross multiply
   13,459.77x = 18,574.82 × 7,491.08
4. Step 4: Simplify right side
   13,459.77x = 139,145,499.68
5. Step 5: Solve for x
   x = 139,145,499.68/13,459.77
6. Step 6: Final answer
   x = 10,337.88