Finding the Fourth Proportional to 55,091.16, 82,629.72 and 17,655.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,091.16 : 82,629.72 = 17,655.12 : x
2. Step 2: Convert to fraction form
   55,091.16/82,629.72 = 17,655.12/x
3. Step 3: Cross multiply
   55,091.16x = 82,629.72 × 17,655.12
4. Step 4: Simplify right side
   55,091.16x = 1,458,837,622.17
5. Step 5: Solve for x
   x = 1,458,837,622.17/55,091.16
6. Step 6: Final answer
   x = 26,480.43