Finding the Fourth Proportional to 9,643.86, 13,294.53 and 6,844.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,643.86 : 13,294.53 = 6,844.50 : x
2. Step 2: Convert to fraction form
   9,643.86/13,294.53 = 6,844.50/x
3. Step 3: Cross multiply
   9,643.86x = 13,294.53 × 6,844.50
4. Step 4: Simplify right side
   9,643.86x = 90,994,410.59
5. Step 5: Solve for x
   x = 90,994,410.59/9,643.86
6. Step 6: Final answer
   x = 9,435.48