Finding the Fourth Proportional to 22,819.94, 31,491.16 and 12,748.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,819.94 : 31,491.16 = 12,748.52 : x
2. Step 2: Convert to fraction form
   22,819.94/31,491.16 = 12,748.52/x
3. Step 3: Cross multiply
   22,819.94x = 31,491.16 × 12,748.52
4. Step 4: Simplify right side
   22,819.94x = 401,465,683.08
5. Step 5: Solve for x
   x = 401,465,683.08/22,819.94
6. Step 6: Final answer
   x = 17,592.76