Finding the Fourth Proportional to 23,238.99, 34,984.93 and 21,172.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,238.99 : 34,984.93 = 21,172.27 : x
2. Step 2: Convert to fraction form
   23,238.99/34,984.93 = 21,172.27/x
3. Step 3: Cross multiply
   23,238.99x = 34,984.93 × 21,172.27
4. Step 4: Simplify right side
   23,238.99x = 740,710,383.89
5. Step 5: Solve for x
   x = 740,710,383.89/23,238.99
6. Step 6: Final answer
   x = 31,873.60