Finding the Fourth Proportional to 9,388.83, 12,955.71 and 5,611.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.83 : 12,955.71 = 5,611.25 : x
2. Step 2: Convert to fraction form
   9,388.83/12,955.71 = 5,611.25/x
3. Step 3: Cross multiply
   9,388.83x = 12,955.71 × 5,611.25
4. Step 4: Simplify right side
   9,388.83x = 72,697,727.74
5. Step 5: Solve for x
   x = 72,697,727.74/9,388.83
6. Step 6: Final answer
   x = 7,743.00