Finding the Fourth Proportional to 21,436.25, 32,146.47 and 7,392.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.25 : 32,146.47 = 7,392.67 : x
2. Step 2: Convert to fraction form
   21,436.25/32,146.47 = 7,392.67/x
3. Step 3: Cross multiply
   21,436.25x = 32,146.47 × 7,392.67
4. Step 4: Simplify right side
   21,436.25x = 237,648,164.01
5. Step 5: Solve for x
   x = 237,648,164.01/21,436.25
6. Step 6: Final answer
   x = 11,086.28