Finding the Fourth Proportional to 22,888.59, 31,582.61 and 12,817.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,888.59 : 31,582.61 = 12,817.46 : x
2. Step 2: Convert to fraction form
   22,888.59/31,582.61 = 12,817.46/x
3. Step 3: Cross multiply
   22,888.59x = 31,582.61 × 12,817.46
4. Step 4: Simplify right side
   22,888.59x = 404,808,618.37
5. Step 5: Solve for x
   x = 404,808,618.37/22,888.59
6. Step 6: Final answer
   x = 17,686.04