Finding the Fourth Proportional to 12,474.63, 17,214.56 and 7,436.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,474.63 : 17,214.56 = 7,436.25 : x
2. Step 2: Convert to fraction form
   12,474.63/17,214.56 = 7,436.25/x
3. Step 3: Cross multiply
   12,474.63x = 17,214.56 × 7,436.25
4. Step 4: Simplify right side
   12,474.63x = 128,011,734.62
5. Step 5: Solve for x
   x = 128,011,734.62/12,474.63
6. Step 6: Final answer
   x = 10,261.77