Finding the Fourth Proportional to 32,612.35, 45,004.24 and 18,272.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,612.35 : 45,004.24 = 18,272.78 : x
2. Step 2: Convert to fraction form
   32,612.35/45,004.24 = 18,272.78/x
3. Step 3: Cross multiply
   32,612.35x = 45,004.24 × 18,272.78
4. Step 4: Simplify right side
   32,612.35x = 822,352,576.59
5. Step 5: Solve for x
   x = 822,352,576.59/32,612.35
6. Step 6: Final answer
   x = 25,215.99