Finding the Fourth Proportional to 35,579.86, 49,103.32 and 19,667.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,579.86 : 49,103.32 = 19,667.40 : x
2. Step 2: Convert to fraction form
   35,579.86/49,103.32 = 19,667.40/x
3. Step 3: Cross multiply
   35,579.86x = 49,103.32 × 19,667.40
4. Step 4: Simplify right side
   35,579.86x = 965,734,635.77
5. Step 5: Solve for x
   x = 965,734,635.77/35,579.86
6. Step 6: Final answer
   x = 27,142.73