Finding the Fourth Proportional to 32,685.78, 45,104.72 and 18,539.94

Step by Step Solution

1. Step 1: Write the proportion equation
   32,685.78 : 45,104.72 = 18,539.94 : x
2. Step 2: Convert to fraction form
   32,685.78/45,104.72 = 18,539.94/x
3. Step 3: Cross multiply
   32,685.78x = 45,104.72 × 18,539.94
4. Step 4: Simplify right side
   32,685.78x = 836,238,802.52
5. Step 5: Solve for x
   x = 836,238,802.52/32,685.78
6. Step 6: Final answer
   x = 25,584.18