Finding the Fourth Proportional to 23,788.16, 32,827.94 and 13,178

Step by Step Solution

1. Step 1: Write the proportion equation
   23,788.16 : 32,827.94 = 13,178 : x
2. Step 2: Convert to fraction form
   23,788.16/32,827.94 = 13,178/x
3. Step 3: Cross multiply
   23,788.16x = 32,827.94 × 13,178
4. Step 4: Simplify right side
   23,788.16x = 432,606,593.32
5. Step 5: Solve for x
   x = 432,606,593.32/23,788.16
6. Step 6: Final answer
   x = 18,185.79