Finding the Fourth Proportional to 9,841.45, 13,580.86 and 5,365.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.45 : 13,580.86 = 5,365.13 : x
2. Step 2: Convert to fraction form
   9,841.45/13,580.86 = 5,365.13/x
3. Step 3: Cross multiply
   9,841.45x = 13,580.86 × 5,365.13
4. Step 4: Simplify right side
   9,841.45x = 72,863,079.41
5. Step 5: Solve for x
   x = 72,863,079.41/9,841.45
6. Step 6: Final answer
   x = 7,403.69