Finding the Fourth Proportional to 86,109.03, 129,043.26 and 41,724

Step by Step Solution

1. Step 1: Write the proportion equation
   86,109.03 : 129,043.26 = 41,724 : x
2. Step 2: Convert to fraction form
   86,109.03/129,043.26 = 41,724/x
3. Step 3: Cross multiply
   86,109.03x = 129,043.26 × 41,724
4. Step 4: Simplify right side
   86,109.03x = 5,384,200,980.24
5. Step 5: Solve for x
   x = 5,384,200,980.24/86,109.03
6. Step 6: Final answer
   x = 62,527.72