Finding the Fourth Proportional to 12,597.76, 18,891.17 and 3,830.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,597.76 : 18,891.17 = 3,830.62 : x
2. Step 2: Convert to fraction form
   12,597.76/18,891.17 = 3,830.62/x
3. Step 3: Cross multiply
   12,597.76x = 18,891.17 × 3,830.62
4. Step 4: Simplify right side
   12,597.76x = 72,364,780.02
5. Step 5: Solve for x
   x = 72,364,780.02/12,597.76
6. Step 6: Final answer
   x = 5,744.26