Finding the Fourth Proportional to 16,502.56, 22,774.74 and 9,428.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,502.56 : 22,774.74 = 9,428.83 : x
2. Step 2: Convert to fraction form
   16,502.56/22,774.74 = 9,428.83/x
3. Step 3: Cross multiply
   16,502.56x = 22,774.74 × 9,428.83
4. Step 4: Simplify right side
   16,502.56x = 214,739,059.46
5. Step 5: Solve for x
   x = 214,739,059.46/16,502.56
6. Step 6: Final answer
   x = 13,012.47