Finding the Fourth Proportional to 12,583.96, 18,875.31 and 3,819.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.96 : 18,875.31 = 3,819.58 : x
2. Step 2: Convert to fraction form
   12,583.96/18,875.31 = 3,819.58/x
3. Step 3: Cross multiply
   12,583.96x = 18,875.31 × 3,819.58
4. Step 4: Simplify right side
   12,583.96x = 72,095,756.57
5. Step 5: Solve for x
   x = 72,095,756.57/12,583.96
6. Step 6: Final answer
   x = 5,729.18