Finding the Fourth Proportional to 32,789.24, 45,298.50 and 21,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,789.24 : 45,298.50 = 21,485.60 : x
2. Step 2: Convert to fraction form
   32,789.24/45,298.50 = 21,485.60/x
3. Step 3: Cross multiply
   32,789.24x = 45,298.50 × 21,485.60
4. Step 4: Simplify right side
   32,789.24x = 973,265,451.60
5. Step 5: Solve for x
   x = 973,265,451.60/32,789.24
6. Step 6: Final answer
   x = 29,682.46