Finding the Fourth Proportional to 58,636.82, 87,938.30 and 28,632.54

Step by Step Solution

1. Step 1: Write the proportion equation
   58,636.82 : 87,938.30 = 28,632.54 : x
2. Step 2: Convert to fraction form
   58,636.82/87,938.30 = 28,632.54/x
3. Step 3: Cross multiply
   58,636.82x = 87,938.30 × 28,632.54
4. Step 4: Simplify right side
   58,636.82x = 2,517,896,749.12
5. Step 5: Solve for x
   x = 2,517,896,749.12/58,636.82
6. Step 6: Final answer
   x = 42,940.54