Finding the Fourth Proportional to 30,188.08, 41,667.78 and 19,577.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,188.08 : 41,667.78 = 19,577.08 : x
2. Step 2: Convert to fraction form
   30,188.08/41,667.78 = 19,577.08/x
3. Step 3: Cross multiply
   30,188.08x = 41,667.78 × 19,577.08
4. Step 4: Simplify right side
   30,188.08x = 815,733,462.48
5. Step 5: Solve for x
   x = 815,733,462.48/30,188.08
6. Step 6: Final answer
   x = 27,021.71