Finding the Fourth Proportional to 12,715.37, 19,075.61 and 4,395.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.37 : 19,075.61 = 4,395.71 : x
2. Step 2: Convert to fraction form
   12,715.37/19,075.61 = 4,395.71/x
3. Step 3: Cross multiply
   12,715.37x = 19,075.61 × 4,395.71
4. Step 4: Simplify right side
   12,715.37x = 83,850,732.28
5. Step 5: Solve for x
   x = 83,850,732.28/12,715.37
6. Step 6: Final answer
   x = 6,594.44