Finding the Fourth Proportional to 23,509.82, 32,444.27 and 12,900.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,509.82 : 32,444.27 = 12,900.17 : x
2. Step 2: Convert to fraction form
   23,509.82/32,444.27 = 12,900.17/x
3. Step 3: Cross multiply
   23,509.82x = 32,444.27 × 12,900.17
4. Step 4: Simplify right side
   23,509.82x = 418,536,371.80
5. Step 5: Solve for x
   x = 418,536,371.80/23,509.82
6. Step 6: Final answer
   x = 17,802.62