Finding the Fourth Proportional to 32,612.72, 45,005.72 and 18,468.32

Step by Step Solution

1. Step 1: Write the proportion equation
   32,612.72 : 45,005.72 = 18,468.32 : x
2. Step 2: Convert to fraction form
   32,612.72/45,005.72 = 18,468.32/x
3. Step 3: Cross multiply
   32,612.72x = 45,005.72 × 18,468.32
4. Step 4: Simplify right side
   32,612.72x = 831,179,721.42
5. Step 5: Solve for x
   x = 831,179,721.42/32,612.72
6. Step 6: Final answer
   x = 25,486.37