Finding the Fourth Proportional to 55,156.40, 82,768.62 and 25,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,156.40 : 82,768.62 = 25,568.72 : x
2. Step 2: Convert to fraction form
   55,156.40/82,768.62 = 25,568.72/x
3. Step 3: Cross multiply
   55,156.40x = 82,768.62 × 25,568.72
4. Step 4: Simplify right side
   55,156.40x = 2,116,287,669.57
5. Step 5: Solve for x
   x = 2,116,287,669.57/55,156.40
6. Step 6: Final answer
   x = 38,368.85