Finding the Fourth Proportional to 35,579.52, 49,100.80 and 19,665.92

Step by Step Solution

1. Step 1: Write the proportion equation
   35,579.52 : 49,100.80 = 19,665.92 : x
2. Step 2: Convert to fraction form
   35,579.52/49,100.80 = 19,665.92/x
3. Step 3: Cross multiply
   35,579.52x = 49,100.80 × 19,665.92
4. Step 4: Simplify right side
   35,579.52x = 965,612,404.74
5. Step 5: Solve for x
   x = 965,612,404.74/35,579.52
6. Step 6: Final answer
   x = 27,139.56