Finding the Fourth Proportional to 79,080.42, 109,120.23 and 47,242.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,080.42 : 109,120.23 = 47,242.56 : x
2. Step 2: Convert to fraction form
   79,080.42/109,120.23 = 47,242.56/x
3. Step 3: Cross multiply
   79,080.42x = 109,120.23 × 47,242.56
4. Step 4: Simplify right side
   79,080.42x = 5,155,119,012.99
5. Step 5: Solve for x
   x = 5,155,119,012.99/79,080.42
6. Step 6: Final answer
   x = 65,188.31