Finding the Fourth Proportional to 9,632.04, 14,420.52 and 7,178.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,632.04 : 14,420.52 = 7,178.28 : x
2. Step 2: Convert to fraction form
   9,632.04/14,420.52 = 7,178.28/x
3. Step 3: Cross multiply
   9,632.04x = 14,420.52 × 7,178.28
4. Step 4: Simplify right side
   9,632.04x = 103,514,530.31
5. Step 5: Solve for x
   x = 103,514,530.31/9,632.04
6. Step 6: Final answer
   x = 10,746.90