Finding the Fourth Proportional to 22,449.30, 30,973.97 and 12,758.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449.30 : 30,973.97 = 12,758.62 : x
2. Step 2: Convert to fraction form
   22,449.30/30,973.97 = 12,758.62/x
3. Step 3: Cross multiply
   22,449.30x = 30,973.97 × 12,758.62
4. Step 4: Simplify right side
   22,449.30x = 395,185,113.12
5. Step 5: Solve for x
   x = 395,185,113.12/22,449.30
6. Step 6: Final answer
   x = 17,603.45