Finding the Fourth Proportional to 58,506.54, 87,766.72 and 20,544.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,506.54 : 87,766.72 = 20,544.18 : x
2. Step 2: Convert to fraction form
   58,506.54/87,766.72 = 20,544.18/x
3. Step 3: Cross multiply
   58,506.54x = 87,766.72 × 20,544.18
4. Step 4: Simplify right side
   58,506.54x = 1,803,095,293.69
5. Step 5: Solve for x
   x = 1,803,095,293.69/58,506.54
6. Step 6: Final answer
   x = 30,818.70