Finding the Fourth Proportional to 12,779.25, 17,632.71 and 7,473.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779.25 : 17,632.71 = 7,473.04 : x
2. Step 2: Convert to fraction form
   12,779.25/17,632.71 = 7,473.04/x
3. Step 3: Cross multiply
   12,779.25x = 17,632.71 × 7,473.04
4. Step 4: Simplify right side
   12,779.25x = 131,769,947.14
5. Step 5: Solve for x
   x = 131,769,947.14/12,779.25
6. Step 6: Final answer
   x = 10,311.24