Finding the Fourth Proportional to 22,735.76, 31,374.91 and 12,665.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,735.76 : 31,374.91 = 12,665.03 : x
2. Step 2: Convert to fraction form
   22,735.76/31,374.91 = 12,665.03/x
3. Step 3: Cross multiply
   22,735.76x = 31,374.91 × 12,665.03
4. Step 4: Simplify right side
   22,735.76x = 397,364,035.35
5. Step 5: Solve for x
   x = 397,364,035.35/22,735.76
6. Step 6: Final answer
   x = 17,477.49