Finding the Fourth Proportional to 42,980.24, 64,027.17 and 41,674.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,980.24 : 64,027.17 = 41,674.43 : x
2. Step 2: Convert to fraction form
   42,980.24/64,027.17 = 41,674.43/x
3. Step 3: Cross multiply
   42,980.24x = 64,027.17 × 41,674.43
4. Step 4: Simplify right side
   42,980.24x = 2,668,295,974.33
5. Step 5: Solve for x
   x = 2,668,295,974.33/42,980.24
6. Step 6: Final answer
   x = 62,081.92