Finding the Fourth Proportional to 282,443.22, 423,679.41 and 72,082.98

Step by Step Solution

1. Step 1: Write the proportion equation
   282,443.22 : 423,679.41 = 72,082.98 : x
2. Step 2: Convert to fraction form
   282,443.22/423,679.41 = 72,082.98/x
3. Step 3: Cross multiply
   282,443.22x = 423,679.41 × 72,082.98
4. Step 4: Simplify right side
   282,443.22x = 30,540,074,437.44
5. Step 5: Solve for x
   x = 30,540,074,437.44/282,443.22
6. Step 6: Final answer
   x = 108,128.19