Finding the Fourth Proportional to 16,521.04, 22,807.86 and 12,735.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.04 : 22,807.86 = 12,735.94 : x
2. Step 2: Convert to fraction form
   16,521.04/22,807.86 = 12,735.94/x
3. Step 3: Cross multiply
   16,521.04x = 22,807.86 × 12,735.94
4. Step 4: Simplify right side
   16,521.04x = 290,479,536.49
5. Step 5: Solve for x
   x = 290,479,536.49/16,521.04
6. Step 6: Final answer
   x = 17,582.40