Finding the Fourth Proportional to 82,406.52, 123,510.90 and 37,972.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,406.52 : 123,510.90 = 37,972.28 : x
2. Step 2: Convert to fraction form
   82,406.52/123,510.90 = 37,972.28/x
3. Step 3: Cross multiply
   82,406.52x = 123,510.90 × 37,972.28
4. Step 4: Simplify right side
   82,406.52x = 4,689,990,477.85
5. Step 5: Solve for x
   x = 4,689,990,477.85/82,406.52
6. Step 6: Final answer
   x = 56,912.86