Finding the Fourth Proportional to 9,786.47, 13,505.34 and 5,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786.47 : 13,505.34 = 5,594.72 : x
2. Step 2: Convert to fraction form
   9,786.47/13,505.34 = 5,594.72/x
3. Step 3: Cross multiply
   9,786.47x = 13,505.34 × 5,594.72
4. Step 4: Simplify right side
   9,786.47x = 75,558,528.28
5. Step 5: Solve for x
   x = 75,558,528.28/9,786.47
6. Step 6: Final answer
   x = 7,720.72