Finding the Fourth Proportional to 12,575.46, 18,860.76 and 3,808.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,575.46 : 18,860.76 = 3,808.02 : x
2. Step 2: Convert to fraction form
   12,575.46/18,860.76 = 3,808.02/x
3. Step 3: Cross multiply
   12,575.46x = 18,860.76 × 3,808.02
4. Step 4: Simplify right side
   12,575.46x = 71,822,151.30
5. Step 5: Solve for x
   x = 71,822,151.30/12,575.46
6. Step 6: Final answer
   x = 5,711.29