Finding the Fourth Proportional to 56,639.38, 84,953.57 and 17,196.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,639.38 : 84,953.57 = 17,196.83 : x
2. Step 2: Convert to fraction form
   56,639.38/84,953.57 = 17,196.83/x
3. Step 3: Cross multiply
   56,639.38x = 84,953.57 × 17,196.83
4. Step 4: Simplify right side
   56,639.38x = 1,460,932,356.56
5. Step 5: Solve for x
   x = 1,460,932,356.56/56,639.38
6. Step 6: Final answer
   x = 25,793.58