Finding the Fourth Proportional to 56,732.78, 85,111.52 and 17,288.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,732.78 : 85,111.52 = 17,288.82 : x
2. Step 2: Convert to fraction form
   56,732.78/85,111.52 = 17,288.82/x
3. Step 3: Cross multiply
   56,732.78x = 85,111.52 × 17,288.82
4. Step 4: Simplify right side
   56,732.78x = 1,471,477,749.21
5. Step 5: Solve for x
   x = 1,471,477,749.21/56,732.78
6. Step 6: Final answer
   x = 25,936.99