Finding the Fourth Proportional to 9,684.96, 13,365.42 and 5,436.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,684.96 : 13,365.42 = 5,436.99 : x
2. Step 2: Convert to fraction form
   9,684.96/13,365.42 = 5,436.99/x
3. Step 3: Cross multiply
   9,684.96x = 13,365.42 × 5,436.99
4. Step 4: Simplify right side
   9,684.96x = 72,667,654.89
5. Step 5: Solve for x
   x = 72,667,654.89/9,684.96
6. Step 6: Final answer
   x = 7,503.14