Finding the Fourth Proportional to 9,623.72, 13,277.04 and 5,643.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.72 : 13,277.04 = 5,643.38 : x
2. Step 2: Convert to fraction form
   9,623.72/13,277.04 = 5,643.38/x
3. Step 3: Cross multiply
   9,623.72x = 13,277.04 × 5,643.38
4. Step 4: Simplify right side
   9,623.72x = 74,927,382.00
5. Step 5: Solve for x
   x = 74,927,382.00/9,623.72
6. Step 6: Final answer
   x = 7,785.70