Finding the Fourth Proportional to 21,943.01, 32,915.42 and 7,152.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,943.01 : 32,915.42 = 7,152.05 : x
2. Step 2: Convert to fraction form
   21,943.01/32,915.42 = 7,152.05/x
3. Step 3: Cross multiply
   21,943.01x = 32,915.42 × 7,152.05
4. Step 4: Simplify right side
   21,943.01x = 235,412,823.07
5. Step 5: Solve for x
   x = 235,412,823.07/21,943.01
6. Step 6: Final answer
   x = 10,728.38