Finding the Fourth Proportional to 32,105.15, 44,325.90 and 28,742.16

Step by Step Solution

1. Step 1: Write the proportion equation
   32,105.15 : 44,325.90 = 28,742.16 : x
2. Step 2: Convert to fraction form
   32,105.15/44,325.90 = 28,742.16/x
3. Step 3: Cross multiply
   32,105.15x = 44,325.90 × 28,742.16
4. Step 4: Simplify right side
   32,105.15x = 1,274,022,109.94
5. Step 5: Solve for x
   x = 1,274,022,109.94/32,105.15
6. Step 6: Final answer
   x = 39,682.80