Finding the Fourth Proportional to 21,459.16, 32,180.60 and 10,362.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459.16 : 32,180.60 = 10,362.16 : x
2. Step 2: Convert to fraction form
   21,459.16/32,180.60 = 10,362.16/x
3. Step 3: Cross multiply
   21,459.16x = 32,180.60 × 10,362.16
4. Step 4: Simplify right side
   21,459.16x = 333,460,526.10
5. Step 5: Solve for x
   x = 333,460,526.10/21,459.16
6. Step 6: Final answer
   x = 15,539.31