Finding the Fourth Proportional to 39,300.28, 58,951.04 and 21,880.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,300.28 : 58,951.04 = 21,880.82 : x
2. Step 2: Convert to fraction form
   39,300.28/58,951.04 = 21,880.82/x
3. Step 3: Cross multiply
   39,300.28x = 58,951.04 × 21,880.82
4. Step 4: Simplify right side
   39,300.28x = 1,289,897,133.03
5. Step 5: Solve for x
   x = 1,289,897,133.03/39,300.28
6. Step 6: Final answer
   x = 32,821.58