Finding the Fourth Proportional to 79,477.68, 109,667.28 and 43,669.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,477.68 : 109,667.28 = 43,669.20 : x
2. Step 2: Convert to fraction form
   79,477.68/109,667.28 = 43,669.20/x
3. Step 3: Cross multiply
   79,477.68x = 109,667.28 × 43,669.20
4. Step 4: Simplify right side
   79,477.68x = 4,789,082,383.78
5. Step 5: Solve for x
   x = 4,789,082,383.78/79,477.68
6. Step 6: Final answer
   x = 60,256.95