Finding the Fourth Proportional to 32,640.58, 45,043.89 and 18,496.12

Step by Step Solution

1. Step 1: Write the proportion equation
   32,640.58 : 45,043.89 = 18,496.12 : x
2. Step 2: Convert to fraction form
   32,640.58/45,043.89 = 18,496.12/x
3. Step 3: Cross multiply
   32,640.58x = 45,043.89 × 18,496.12
4. Step 4: Simplify right side
   32,640.58x = 833,137,194.71
5. Step 5: Solve for x
   x = 833,137,194.71/32,640.58
6. Step 6: Final answer
   x = 25,524.58