Finding the Fourth Proportional to 9,685.48, 13,365.30 and 5,436.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685.48 : 13,365.30 = 5,436.04 : x
2. Step 2: Convert to fraction form
   9,685.48/13,365.30 = 5,436.04/x
3. Step 3: Cross multiply
   9,685.48x = 13,365.30 × 5,436.04
4. Step 4: Simplify right side
   9,685.48x = 72,654,305.41
5. Step 5: Solve for x
   x = 72,654,305.41/9,685.48
6. Step 6: Final answer
   x = 7,501.36