Finding the Fourth Proportional to 13,362.28, 18,428.76 and 10,012.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,362.28 : 18,428.76 = 10,012.96 : x
2. Step 2: Convert to fraction form
   13,362.28/18,428.76 = 10,012.96/x
3. Step 3: Cross multiply
   13,362.28x = 18,428.76 × 10,012.96
4. Step 4: Simplify right side
   13,362.28x = 184,526,436.73
5. Step 5: Solve for x
   x = 184,526,436.73/13,362.28
6. Step 6: Final answer
   x = 13,809.50