Finding the Fourth Proportional to 9,279.04, 12,805.38 and 5,300.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.04 : 12,805.38 = 5,300.08 : x
2. Step 2: Convert to fraction form
   9,279.04/12,805.38 = 5,300.08/x
3. Step 3: Cross multiply
   9,279.04x = 12,805.38 × 5,300.08
4. Step 4: Simplify right side
   9,279.04x = 67,869,538.43
5. Step 5: Solve for x
   x = 67,869,538.43/9,279.04
6. Step 6: Final answer
   x = 7,314.28