Finding the Fourth Proportional to 12,582.16, 18,875.96 and 3,817.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,582.16 : 18,875.96 = 3,817.72 : x
2. Step 2: Convert to fraction form
   12,582.16/18,875.96 = 3,817.72/x
3. Step 3: Cross multiply
   12,582.16x = 18,875.96 × 3,817.72
4. Step 4: Simplify right side
   12,582.16x = 72,063,130.01
5. Step 5: Solve for x
   x = 72,063,130.01/12,582.16
6. Step 6: Final answer
   x = 5,727.41