Finding the Fourth Proportional to 23,417.83, 32,316.64 and 13,209

Step by Step Solution

1. Step 1: Write the proportion equation
   23,417.83 : 32,316.64 = 13,209 : x
2. Step 2: Convert to fraction form
   23,417.83/32,316.64 = 13,209/x
3. Step 3: Cross multiply
   23,417.83x = 32,316.64 × 13,209
4. Step 4: Simplify right side
   23,417.83x = 426,870,497.76
5. Step 5: Solve for x
   x = 426,870,497.76/23,417.83
6. Step 6: Final answer
   x = 18,228.44