Finding the Fourth Proportional to 9,607.71, 13,253.31 and 5,628.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.71 : 13,253.31 = 5,628.05 : x
2. Step 2: Convert to fraction form
   9,607.71/13,253.31 = 5,628.05/x
3. Step 3: Cross multiply
   9,607.71x = 13,253.31 × 5,628.05
4. Step 4: Simplify right side
   9,607.71x = 74,590,277.01
5. Step 5: Solve for x
   x = 74,590,277.01/9,607.71
6. Step 6: Final answer
   x = 7,763.59