Finding the Fourth Proportional to 17,181.83, 25,771.12 and 5,491.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,181.83 : 25,771.12 = 5,491.91 : x
2. Step 2: Convert to fraction form
   17,181.83/25,771.12 = 5,491.91/x
3. Step 3: Cross multiply
   17,181.83x = 25,771.12 × 5,491.91
4. Step 4: Simplify right side
   17,181.83x = 141,532,671.64
5. Step 5: Solve for x
   x = 141,532,671.64/17,181.83
6. Step 6: Final answer
   x = 8,237.35