Finding the Fourth Proportional to 21,436.62, 32,147.03 and 7,393.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.62 : 32,147.03 = 7,393.04 : x
2. Step 2: Convert to fraction form
   21,436.62/32,147.03 = 7,393.04/x
3. Step 3: Cross multiply
   21,436.62x = 32,147.03 × 7,393.04
4. Step 4: Simplify right side
   21,436.62x = 237,664,377.52
5. Step 5: Solve for x
   x = 237,664,377.52/21,436.62
6. Step 6: Final answer
   x = 11,086.84