Finding the Fourth Proportional to 21,949.34, 32,927.52 and 7,157.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,949.34 : 32,927.52 = 7,157.12 : x
2. Step 2: Convert to fraction form
   21,949.34/32,927.52 = 7,157.12/x
3. Step 3: Cross multiply
   21,949.34x = 32,927.52 × 7,157.12
4. Step 4: Simplify right side
   21,949.34x = 235,666,211.94
5. Step 5: Solve for x
   x = 235,666,211.94/21,949.34
6. Step 6: Final answer
   x = 10,736.82