Finding the Fourth Proportional to 59,980.70, 82,680.75 and 43,004.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,980.70 : 82,680.75 = 43,004.12 : x
2. Step 2: Convert to fraction form
   59,980.70/82,680.75 = 43,004.12/x
3. Step 3: Cross multiply
   59,980.70x = 82,680.75 × 43,004.12
4. Step 4: Simplify right side
   59,980.70x = 3,555,612,481.29
5. Step 5: Solve for x
   x = 3,555,612,481.29/59,980.70
6. Step 6: Final answer
   x = 59,279.27