Finding the Fourth Proportional to 82,252.62, 123,443.82 and 42,270.03

Step by Step Solution

1. Step 1: Write the proportion equation
   82,252.62 : 123,443.82 = 42,270.03 : x
2. Step 2: Convert to fraction form
   82,252.62/123,443.82 = 42,270.03/x
3. Step 3: Cross multiply
   82,252.62x = 123,443.82 × 42,270.03
4. Step 4: Simplify right side
   82,252.62x = 5,217,973,974.71
5. Step 5: Solve for x
   x = 5,217,973,974.71/82,252.62
6. Step 6: Final answer
   x = 63,438.39