Finding the Fourth Proportional to 56,639.37, 84,953.58 and 17,196.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,639.37 : 84,953.58 = 17,196.83 : x
2. Step 2: Convert to fraction form
   56,639.37/84,953.58 = 17,196.83/x
3. Step 3: Cross multiply
   56,639.37x = 84,953.58 × 17,196.83
4. Step 4: Simplify right side
   56,639.37x = 1,460,932,102.47
5. Step 5: Solve for x
   x = 1,460,932,102.47/56,639.37
6. Step 6: Final answer
   x = 25,793.58