Finding the Fourth Proportional to 79,528.68, 109,749.54 and 43,721

Step by Step Solution

1. Step 1: Write the proportion equation
   79,528.68 : 109,749.54 = 43,721 : x
2. Step 2: Convert to fraction form
   79,528.68/109,749.54 = 43,721/x
3. Step 3: Cross multiply
   79,528.68x = 109,749.54 × 43,721
4. Step 4: Simplify right side
   79,528.68x = 4,798,359,638.34
5. Step 5: Solve for x
   x = 4,798,359,638.34/79,528.68
6. Step 6: Final answer
   x = 60,334.96