Finding the Fourth Proportional to 79,078.51, 109,129.71 and 43,271.65

Step by Step Solution

1. Step 1: Write the proportion equation
   79,078.51 : 109,129.71 = 43,271.65 : x
2. Step 2: Convert to fraction form
   79,078.51/109,129.71 = 43,271.65/x
3. Step 3: Cross multiply
   79,078.51x = 109,129.71 × 43,271.65
4. Step 4: Simplify right side
   79,078.51x = 4,722,222,615.72
5. Step 5: Solve for x
   x = 4,722,222,615.72/79,078.51
6. Step 6: Final answer
   x = 59,715.62