Finding the Fourth Proportional to 13,259.34, 19,845.72 and 9,748.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259.34 : 19,845.72 = 9,748.42 : x
2. Step 2: Convert to fraction form
   13,259.34/19,845.72 = 9,748.42/x
3. Step 3: Cross multiply
   13,259.34x = 19,845.72 × 9,748.42
4. Step 4: Simplify right side
   13,259.34x = 193,464,413.76
5. Step 5: Solve for x
   x = 193,464,413.76/13,259.34
6. Step 6: Final answer
   x = 14,590.80