Finding the Fourth Proportional to 39,502, 59,262.72 and 11,800

Step by Step Solution

1. Step 1: Write the proportion equation
   39,502 : 59,262.72 = 11,800 : x
2. Step 2: Convert to fraction form
   39,502/59,262.72 = 11,800/x
3. Step 3: Cross multiply
   39,502x = 59,262.72 × 11,800
4. Step 4: Simplify right side
   39,502x = 699,300,096
5. Step 5: Solve for x
   x = 699,300,096/39,502
6. Step 6: Final answer
   x = 17,702.90