Finding the Fourth Proportional to 53,168.57, 79,725.72 and 17,617.06

Step by Step Solution

1. Step 1: Write the proportion equation
   53,168.57 : 79,725.72 = 17,617.06 : x
2. Step 2: Convert to fraction form
   53,168.57/79,725.72 = 17,617.06/x
3. Step 3: Cross multiply
   53,168.57x = 79,725.72 × 17,617.06
4. Step 4: Simplify right side
   53,168.57x = 1,404,532,394.15
5. Step 5: Solve for x
   x = 1,404,532,394.15/53,168.57
6. Step 6: Final answer
   x = 26,416.59