Finding the Fourth Proportional to 22,383.52, 30,886.80 and 12,950.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,383.52 : 30,886.80 = 12,950.56 : x
2. Step 2: Convert to fraction form
   22,383.52/30,886.80 = 12,950.56/x
3. Step 3: Cross multiply
   22,383.52x = 30,886.80 × 12,950.56
4. Step 4: Simplify right side
   22,383.52x = 400,001,356.61
5. Step 5: Solve for x
   x = 400,001,356.61/22,383.52
6. Step 6: Final answer
   x = 17,870.35