Finding the Fourth Proportional to 21,493.76, 32,242.56 and 5,911.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,493.76 : 32,242.56 = 5,911.44 : x
2. Step 2: Convert to fraction form
   21,493.76/32,242.56 = 5,911.44/x
3. Step 3: Cross multiply
   21,493.76x = 32,242.56 × 5,911.44
4. Step 4: Simplify right side
   21,493.76x = 190,599,958.89
5. Step 5: Solve for x
   x = 190,599,958.89/21,493.76
6. Step 6: Final answer
   x = 8,867.69