Finding the Fourth Proportional to 21,828.89, 32,749.72 and 7,037.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,828.89 : 32,749.72 = 7,037.48 : x
2. Step 2: Convert to fraction form
   21,828.89/32,749.72 = 7,037.48/x
3. Step 3: Cross multiply
   21,828.89x = 32,749.72 × 7,037.48
4. Step 4: Simplify right side
   21,828.89x = 230,475,563.79
5. Step 5: Solve for x
   x = 230,475,563.79/21,828.89
6. Step 6: Final answer
   x = 10,558.28