Finding the Fourth Proportional to 21,499.33, 32,258.24 and 11,118.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.33 : 32,258.24 = 11,118.37 : x
2. Step 2: Convert to fraction form
   21,499.33/32,258.24 = 11,118.37/x
3. Step 3: Cross multiply
   21,499.33x = 32,258.24 × 11,118.37
4. Step 4: Simplify right side
   21,499.33x = 358,659,047.87
5. Step 5: Solve for x
   x = 358,659,047.87/21,499.33
6. Step 6: Final answer
   x = 16,682.34