Finding the Fourth Proportional to 21,501.02, 32,236.89 and 10,945.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,501.02 : 32,236.89 = 10,945.10 : x
2. Step 2: Convert to fraction form
   21,501.02/32,236.89 = 10,945.10/x
3. Step 3: Cross multiply
   21,501.02x = 32,236.89 × 10,945.10
4. Step 4: Simplify right side
   21,501.02x = 352,835,984.74
5. Step 5: Solve for x
   x = 352,835,984.74/21,501.02
6. Step 6: Final answer
   x = 16,410.20