Finding the Fourth Proportional to 13,990.15, 19,306.37 and 7,702.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,990.15 : 19,306.37 = 7,702.52 : x
2. Step 2: Convert to fraction form
   13,990.15/19,306.37 = 7,702.52/x
3. Step 3: Cross multiply
   13,990.15x = 19,306.37 × 7,702.52
4. Step 4: Simplify right side
   13,990.15x = 148,707,662.54
5. Step 5: Solve for x
   x = 148,707,662.54/13,990.15
6. Step 6: Final answer
   x = 10,629.46