Finding the Fourth Proportional to 12,828.42, 17,703.30 and 7,523.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828.42 : 17,703.30 = 7,523.34 : x
2. Step 2: Convert to fraction form
   12,828.42/17,703.30 = 7,523.34/x
3. Step 3: Cross multiply
   12,828.42x = 17,703.30 × 7,523.34
4. Step 4: Simplify right side
   12,828.42x = 133,187,945.02
5. Step 5: Solve for x
   x = 133,187,945.02/12,828.42
6. Step 6: Final answer
   x = 10,382.26