Finding the Fourth Proportional to 12,377.00, 18,571.28 and 7,379.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.00 : 18,571.28 = 7,379.27 : x
2. Step 2: Convert to fraction form
   12,377.00/18,571.28 = 7,379.27/x
3. Step 3: Cross multiply
   12,377.00x = 18,571.28 × 7,379.27
4. Step 4: Simplify right side
   12,377.00x = 137,042,429.26
5. Step 5: Solve for x
   x = 137,042,429.26/12,377.00
6. Step 6: Final answer
   x = 11,072.34