Finding the Fourth Proportional to 32,815.98, 49,228.80 and 10,621.98

Step by Step Solution

1. Step 1: Write the proportion equation
   32,815.98 : 49,228.80 = 10,621.98 : x
2. Step 2: Convert to fraction form
   32,815.98/49,228.80 = 10,621.98/x
3. Step 3: Cross multiply
   32,815.98x = 49,228.80 × 10,621.98
4. Step 4: Simplify right side
   32,815.98x = 522,907,329.02
5. Step 5: Solve for x
   x = 522,907,329.02/32,815.98
6. Step 6: Final answer
   x = 15,934.53