Finding the Fourth Proportional to 51,109.76, 76,638.72 and 23,384

Step by Step Solution

1. Step 1: Write the proportion equation
   51,109.76 : 76,638.72 = 23,384 : x
2. Step 2: Convert to fraction form
   51,109.76/76,638.72 = 23,384/x
3. Step 3: Cross multiply
   51,109.76x = 76,638.72 × 23,384
4. Step 4: Simplify right side
   51,109.76x = 1,792,119,828.48
5. Step 5: Solve for x
   x = 1,792,119,828.48/51,109.76
6. Step 6: Final answer
   x = 35,064.14