Finding the Fourth Proportional to 32,804.72, 45,277.92 and 20,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,804.72 : 45,277.92 = 20,858.72 : x
2. Step 2: Convert to fraction form
   32,804.72/45,277.92 = 20,858.72/x
3. Step 3: Cross multiply
   32,804.72x = 45,277.92 × 20,858.72
4. Step 4: Simplify right side
   32,804.72x = 944,439,455.46
5. Step 5: Solve for x
   x = 944,439,455.46/32,804.72
6. Step 6: Final answer
   x = 28,789.74