Finding the Fourth Proportional to 21,969.05, 32,946.05 and 7,174.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,969.05 : 32,946.05 = 7,174.30 : x
2. Step 2: Convert to fraction form
   21,969.05/32,946.05 = 7,174.30/x
3. Step 3: Cross multiply
   21,969.05x = 32,946.05 × 7,174.30
4. Step 4: Simplify right side
   21,969.05x = 236,364,681.78
5. Step 5: Solve for x
   x = 236,364,681.78/21,969.05
6. Step 6: Final answer
   x = 10,758.99