Finding the Fourth Proportional to 13,188.06, 19,782.05 and 3,327.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,188.06 : 19,782.05 = 3,327.42 : x
2. Step 2: Convert to fraction form
   13,188.06/19,782.05 = 3,327.42/x
3. Step 3: Cross multiply
   13,188.06x = 19,782.05 × 3,327.42
4. Step 4: Simplify right side
   13,188.06x = 65,823,172.17
5. Step 5: Solve for x
   x = 65,823,172.17/13,188.06
6. Step 6: Final answer
   x = 4,991.12