Finding the Fourth Proportional to 22,748.09, 31,384.96 and 12,674.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,748.09 : 31,384.96 = 12,674.59 : x
2. Step 2: Convert to fraction form
   22,748.09/31,384.96 = 12,674.59/x
3. Step 3: Cross multiply
   22,748.09x = 31,384.96 × 12,674.59
4. Step 4: Simplify right side
   22,748.09x = 397,791,390.02
5. Step 5: Solve for x
   x = 397,791,390.02/22,748.09
6. Step 6: Final answer
   x = 17,486.81