Finding the Fourth Proportional to 51,196.91, 76,829.94 and 17,917.27

Step by Step Solution

1. Step 1: Write the proportion equation
   51,196.91 : 76,829.94 = 17,917.27 : x
2. Step 2: Convert to fraction form
   51,196.91/76,829.94 = 17,917.27/x
3. Step 3: Cross multiply
   51,196.91x = 76,829.94 × 17,917.27
4. Step 4: Simplify right side
   51,196.91x = 1,376,582,394.91
5. Step 5: Solve for x
   x = 1,376,582,394.91/51,196.91
6. Step 6: Final answer
   x = 26,888.00