Finding the Fourth Proportional to 79,128.04, 109,193.97 and 45,147.54

Step by Step Solution

1. Step 1: Write the proportion equation
   79,128.04 : 109,193.97 = 45,147.54 : x
2. Step 2: Convert to fraction form
   79,128.04/109,193.97 = 45,147.54/x
3. Step 3: Cross multiply
   79,128.04x = 109,193.97 × 45,147.54
4. Step 4: Simplify right side
   79,128.04x = 4,929,839,128.33
5. Step 5: Solve for x
   x = 4,929,839,128.33/79,128.04
6. Step 6: Final answer
   x = 62,302.05