Finding the Fourth Proportional to 78,721.71, 108,630.53 and 44,271.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,721.71 : 108,630.53 = 44,271.59 : x
2. Step 2: Convert to fraction form
   78,721.71/108,630.53 = 44,271.59/x
3. Step 3: Cross multiply
   78,721.71x = 108,630.53 × 44,271.59
4. Step 4: Simplify right side
   78,721.71x = 4,809,246,667.90
5. Step 5: Solve for x
   x = 4,809,246,667.90/78,721.71
6. Step 6: Final answer
   x = 61,091.75