Finding the Fourth Proportional to 67,510.80, 101,339.10 and 37,986.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,510.80 : 101,339.10 = 37,986.30 : x
2. Step 2: Convert to fraction form
   67,510.80/101,339.10 = 37,986.30/x
3. Step 3: Cross multiply
   67,510.80x = 101,339.10 × 37,986.30
4. Step 4: Simplify right side
   67,510.80x = 3,849,497,454.33
5. Step 5: Solve for x
   x = 3,849,497,454.33/67,510.80
6. Step 6: Final answer
   x = 57,020.47