Finding the Fourth Proportional to 21,097.52, 31,635.60 and 7,052.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,097.52 : 31,635.60 = 7,052.54 : x
2. Step 2: Convert to fraction form
   21,097.52/31,635.60 = 7,052.54/x
3. Step 3: Cross multiply
   21,097.52x = 31,635.60 × 7,052.54
4. Step 4: Simplify right side
   21,097.52x = 223,111,334.42
5. Step 5: Solve for x
   x = 223,111,334.42/21,097.52
6. Step 6: Final answer
   x = 10,575.24