Finding the Fourth Proportional to 16,522.64, 24,784.72 and 5,279.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.64 : 24,784.72 = 5,279.16 : x
2. Step 2: Convert to fraction form
   16,522.64/24,784.72 = 5,279.16/x
3. Step 3: Cross multiply
   16,522.64x = 24,784.72 × 5,279.16
4. Step 4: Simplify right side
   16,522.64x = 130,842,502.44
5. Step 5: Solve for x
   x = 130,842,502.44/16,522.64
6. Step 6: Final answer
   x = 7,918.98