Finding the Fourth Proportional to 23,814.24, 32,840.28 and 21,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,814.24 : 32,840.28 = 21,930.72 : x
2. Step 2: Convert to fraction form
   23,814.24/32,840.28 = 21,930.72/x
3. Step 3: Cross multiply
   23,814.24x = 32,840.28 × 21,930.72
4. Step 4: Simplify right side
   23,814.24x = 720,210,985.40
5. Step 5: Solve for x
   x = 720,210,985.40/23,814.24
6. Step 6: Final answer
   x = 30,242.87