Finding the Fourth Proportional to 23,427.23, 32,329.59 and 12,816.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,427.23 : 32,329.59 = 12,816.86 : x
2. Step 2: Convert to fraction form
   23,427.23/32,329.59 = 12,816.86/x
3. Step 3: Cross multiply
   23,427.23x = 32,329.59 × 12,816.86
4. Step 4: Simplify right side
   23,427.23x = 414,363,828.89
5. Step 5: Solve for x
   x = 414,363,828.89/23,427.23
6. Step 6: Final answer
   x = 17,687.27