Finding the Fourth Proportional to 25,172.94, 37,735.83 and 8,521.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,172.94 : 37,735.83 = 8,521.32 : x
2. Step 2: Convert to fraction form
   25,172.94/37,735.83 = 8,521.32/x
3. Step 3: Cross multiply
   25,172.94x = 37,735.83 × 8,521.32
4. Step 4: Simplify right side
   25,172.94x = 321,559,082.90
5. Step 5: Solve for x
   x = 321,559,082.90/25,172.94
6. Step 6: Final answer
   x = 12,774.00