Finding the Fourth Proportional to 9,846.43, 13,587.77 and 5,370.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.43 : 13,587.77 = 5,370.27 : x
2. Step 2: Convert to fraction form
   9,846.43/13,587.77 = 5,370.27/x
3. Step 3: Cross multiply
   9,846.43x = 13,587.77 × 5,370.27
4. Step 4: Simplify right side
   9,846.43x = 72,969,925.86
5. Step 5: Solve for x
   x = 72,969,925.86/9,846.43
6. Step 6: Final answer
   x = 7,410.80