Finding the Fourth Proportional to 21,969.64, 32,958.71 and 7,174.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,969.64 : 32,958.71 = 7,174.59 : x
2. Step 2: Convert to fraction form
   21,969.64/32,958.71 = 7,174.59/x
3. Step 3: Cross multiply
   21,969.64x = 32,958.71 × 7,174.59
4. Step 4: Simplify right side
   21,969.64x = 236,465,231.18
5. Step 5: Solve for x
   x = 236,465,231.18/21,969.64
6. Step 6: Final answer
   x = 10,763.27