Finding the Fourth Proportional to 21,951.32, 32,923.52 and 7,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,951.32 : 32,923.52 = 7,160.16 : x
2. Step 2: Convert to fraction form
   21,951.32/32,923.52 = 7,160.16/x
3. Step 3: Cross multiply
   21,951.32x = 32,923.52 × 7,160.16
4. Step 4: Simplify right side
   21,951.32x = 235,737,670.96
5. Step 5: Solve for x
   x = 235,737,670.96/21,951.32
6. Step 6: Final answer
   x = 10,739.11