Finding the Fourth Proportional to 23,184.63, 31,994.80 and 13,113.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,184.63 : 31,994.80 = 13,113.09 : x
2. Step 2: Convert to fraction form
   23,184.63/31,994.80 = 13,113.09/x
3. Step 3: Cross multiply
   23,184.63x = 31,994.80 × 13,113.09
4. Step 4: Simplify right side
   23,184.63x = 419,550,659.15
5. Step 5: Solve for x
   x = 419,550,659.15/23,184.63
6. Step 6: Final answer
   x = 18,096.07