Finding the Fourth Proportional to 59,720.49, 82,386.72 and 38,506.59

Step by Step Solution

1. Step 1: Write the proportion equation
   59,720.49 : 82,386.72 = 38,506.59 : x
2. Step 2: Convert to fraction form
   59,720.49/82,386.72 = 38,506.59/x
3. Step 3: Cross multiply
   59,720.49x = 82,386.72 × 38,506.59
4. Step 4: Simplify right side
   59,720.49x = 3,172,431,648.48
5. Step 5: Solve for x
   x = 3,172,431,648.48/59,720.49
6. Step 6: Final answer
   x = 53,121.33