Finding the Fourth Proportional to 13,300.27, 19,994.15 and 12,337.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.27 : 19,994.15 = 12,337.99 : x
2. Step 2: Convert to fraction form
   13,300.27/19,994.15 = 12,337.99/x
3. Step 3: Cross multiply
   13,300.27x = 19,994.15 × 12,337.99
4. Step 4: Simplify right side
   13,300.27x = 246,687,622.76
5. Step 5: Solve for x
   x = 246,687,622.76/13,300.27
6. Step 6: Final answer
   x = 18,547.57