Finding the Fourth Proportional to 21,870.08, 32,758.56 and 11,450.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870.08 : 32,758.56 = 11,450.24 : x
2. Step 2: Convert to fraction form
   21,870.08/32,758.56 = 11,450.24/x
3. Step 3: Cross multiply
   21,870.08x = 32,758.56 × 11,450.24
4. Step 4: Simplify right side
   21,870.08x = 375,093,374.05
5. Step 5: Solve for x
   x = 375,093,374.05/21,870.08
6. Step 6: Final answer
   x = 17,150.98