Finding the Fourth Proportional to 55,261.82, 82,917.45 and 28,960.53

Step by Step Solution

1. Step 1: Write the proportion equation
   55,261.82 : 82,917.45 = 28,960.53 : x
2. Step 2: Convert to fraction form
   55,261.82/82,917.45 = 28,960.53/x
3. Step 3: Cross multiply
   55,261.82x = 82,917.45 × 28,960.53
4. Step 4: Simplify right side
   55,261.82x = 2,401,333,298.25
5. Step 5: Solve for x
   x = 2,401,333,298.25/55,261.82
6. Step 6: Final answer
   x = 43,453.75