Finding the Fourth Proportional to 22,762.61, 31,412.69 and 13,204.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,762.61 : 31,412.69 = 13,204.71 : x
2. Step 2: Convert to fraction form
   22,762.61/31,412.69 = 13,204.71/x
3. Step 3: Cross multiply
   22,762.61x = 31,412.69 × 13,204.71
4. Step 4: Simplify right side
   22,762.61x = 414,795,395.75
5. Step 5: Solve for x
   x = 414,795,395.75/22,762.61
6. Step 6: Final answer
   x = 18,222.67