Finding the Fourth Proportional to 16,896.58, 23,316.33 and 9,342.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,896.58 : 23,316.33 = 9,342.45 : x
2. Step 2: Convert to fraction form
   16,896.58/23,316.33 = 9,342.45/x
3. Step 3: Cross multiply
   16,896.58x = 23,316.33 × 9,342.45
4. Step 4: Simplify right side
   16,896.58x = 217,831,670.56
5. Step 5: Solve for x
   x = 217,831,670.56/16,896.58
6. Step 6: Final answer
   x = 12,892.06