Finding the Fourth Proportional to 79,531.37, 109,748.71 and 43,721.37

Step by Step Solution

1. Step 1: Write the proportion equation
   79,531.37 : 109,748.71 = 43,721.37 : x
2. Step 2: Convert to fraction form
   79,531.37/109,748.71 = 43,721.37/x
3. Step 3: Cross multiply
   79,531.37x = 109,748.71 × 43,721.37
4. Step 4: Simplify right side
   79,531.37x = 4,798,363,189.58
5. Step 5: Solve for x
   x = 4,798,363,189.58/79,531.37
6. Step 6: Final answer
   x = 60,332.97