Finding the Fourth Proportional to 12,506.84, 17,256.20 and 7,469

Step by Step Solution

1. Step 1: Write the proportion equation
   12,506.84 : 17,256.20 = 7,469 : x
2. Step 2: Convert to fraction form
   12,506.84/17,256.20 = 7,469/x
3. Step 3: Cross multiply
   12,506.84x = 17,256.20 × 7,469
4. Step 4: Simplify right side
   12,506.84x = 128,886,557.80
5. Step 5: Solve for x
   x = 128,886,557.80/12,506.84
6. Step 6: Final answer
   x = 10,305.29