Finding the Fourth Proportional to 56,710.56, 85,032 and 17,256

Step by Step Solution

1. Step 1: Write the proportion equation
   56,710.56 : 85,032 = 17,256 : x
2. Step 2: Convert to fraction form
   56,710.56/85,032 = 17,256/x
3. Step 3: Cross multiply
   56,710.56x = 85,032 × 17,256
4. Step 4: Simplify right side
   56,710.56x = 1,467,312,192
5. Step 5: Solve for x
   x = 1,467,312,192/56,710.56
6. Step 6: Final answer
   x = 25,873.70