Finding the Fourth Proportional to 9,640.76, 13,303.32 and 5,606.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.76 : 13,303.32 = 5,606.48 : x
2. Step 2: Convert to fraction form
   9,640.76/13,303.32 = 5,606.48/x
3. Step 3: Cross multiply
   9,640.76x = 13,303.32 × 5,606.48
4. Step 4: Simplify right side
   9,640.76x = 74,584,797.51
5. Step 5: Solve for x
   x = 74,584,797.51/9,640.76
6. Step 6: Final answer
   x = 7,736.40