Finding the Fourth Proportional to 12,672.37, 19,008.83 and 3,907.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.37 : 19,008.83 = 3,907.27 : x
2. Step 2: Convert to fraction form
   12,672.37/19,008.83 = 3,907.27/x
3. Step 3: Cross multiply
   12,672.37x = 19,008.83 × 3,907.27
4. Step 4: Simplify right side
   12,672.37x = 74,272,631.19
5. Step 5: Solve for x
   x = 74,272,631.19/12,672.37
6. Step 6: Final answer
   x = 5,860.99