Finding the Fourth Proportional to 67,266.24, 100,899.30 and 31,719.27

Step by Step Solution

1. Step 1: Write the proportion equation
   67,266.24 : 100,899.30 = 31,719.27 : x
2. Step 2: Convert to fraction form
   67,266.24/100,899.30 = 31,719.27/x
3. Step 3: Cross multiply
   67,266.24x = 100,899.30 × 31,719.27
4. Step 4: Simplify right side
   67,266.24x = 3,200,452,139.51
5. Step 5: Solve for x
   x = 3,200,452,139.51/67,266.24
6. Step 6: Final answer
   x = 47,578.88