Finding the Fourth Proportional to 55,146.40, 82,653.98 and 31,723.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,146.40 : 82,653.98 = 31,723.62 : x
2. Step 2: Convert to fraction form
   55,146.40/82,653.98 = 31,723.62/x
3. Step 3: Cross multiply
   55,146.40x = 82,653.98 × 31,723.62
4. Step 4: Simplify right side
   55,146.40x = 2,622,083,453.01
5. Step 5: Solve for x
   x = 2,622,083,453.01/55,146.40
6. Step 6: Final answer
   x = 47,547.68