Finding the Fourth Proportional to 12,928.94, 17,842.97 and 7,553.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928.94 : 17,842.97 = 7,553.10 : x
2. Step 2: Convert to fraction form
   12,928.94/17,842.97 = 7,553.10/x
3. Step 3: Cross multiply
   12,928.94x = 17,842.97 × 7,553.10
4. Step 4: Simplify right side
   12,928.94x = 134,769,698.94
5. Step 5: Solve for x
   x = 134,769,698.94/12,928.94
6. Step 6: Final answer
   x = 10,423.88