Finding the Fourth Proportional to 12,393, 18,585.86 and 3,625.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393 : 18,585.86 = 3,625.83 : x
2. Step 2: Convert to fraction form
   12,393/18,585.86 = 3,625.83/x
3. Step 3: Cross multiply
   12,393x = 18,585.86 × 3,625.83
4. Step 4: Simplify right side
   12,393x = 67,389,150.63
5. Step 5: Solve for x
   x = 67,389,150.63/12,393
6. Step 6: Final answer
   x = 5,437.68