Finding the Fourth Proportional to 32,889.78, 45,372.51 and 21,556.26

Step by Step Solution

1. Step 1: Write the proportion equation
   32,889.78 : 45,372.51 = 21,556.26 : x
2. Step 2: Convert to fraction form
   32,889.78/45,372.51 = 21,556.26/x
3. Step 3: Cross multiply
   32,889.78x = 45,372.51 × 21,556.26
4. Step 4: Simplify right side
   32,889.78x = 978,061,622.41
5. Step 5: Solve for x
   x = 978,061,622.41/32,889.78
6. Step 6: Final answer
   x = 29,737.55