Finding the Fourth Proportional to 12,830.54, 17,710.50 and 7,523.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.54 : 17,710.50 = 7,523.42 : x
2. Step 2: Convert to fraction form
   12,830.54/17,710.50 = 7,523.42/x
3. Step 3: Cross multiply
   12,830.54x = 17,710.50 × 7,523.42
4. Step 4: Simplify right side
   12,830.54x = 133,243,529.91
5. Step 5: Solve for x
   x = 133,243,529.91/12,830.54
6. Step 6: Final answer
   x = 10,384.87