Finding the Fourth Proportional to 17,156.18, 25,736.74 and 5,311.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156.18 : 25,736.74 = 5,311.00 : x
2. Step 2: Convert to fraction form
   17,156.18/25,736.74 = 5,311.00/x
3. Step 3: Cross multiply
   17,156.18x = 25,736.74 × 5,311.00
4. Step 4: Simplify right side
   17,156.18x = 136,687,748.52
5. Step 5: Solve for x
   x = 136,687,748.52/17,156.18
6. Step 6: Final answer
   x = 7,967.26