Finding the Fourth Proportional to 21,355.05, 32,038.42 and 10,271.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,355.05 : 32,038.42 = 10,271.01 : x
2. Step 2: Convert to fraction form
   21,355.05/32,038.42 = 10,271.01/x
3. Step 3: Cross multiply
   21,355.05x = 32,038.42 × 10,271.01
4. Step 4: Simplify right side
   21,355.05x = 329,066,772.01
5. Step 5: Solve for x
   x = 329,066,772.01/21,355.05
6. Step 6: Final answer
   x = 15,409.32