Finding the Fourth Proportional to 23,253.80, 32,088.89 and 12,643.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,253.80 : 32,088.89 = 12,643.34 : x
2. Step 2: Convert to fraction form
   23,253.80/32,088.89 = 12,643.34/x
3. Step 3: Cross multiply
   23,253.80x = 32,088.89 × 12,643.34
4. Step 4: Simplify right side
   23,253.80x = 405,710,522.83
5. Step 5: Solve for x
   x = 405,710,522.83/23,253.80
6. Step 6: Final answer
   x = 17,447.07