Finding the Fourth Proportional to 82,406.33, 123,614.31 and 31,805.61

Step by Step Solution

1. Step 1: Write the proportion equation
   82,406.33 : 123,614.31 = 31,805.61 : x
2. Step 2: Convert to fraction form
   82,406.33/123,614.31 = 31,805.61/x
3. Step 3: Cross multiply
   82,406.33x = 123,614.31 × 31,805.61
4. Step 4: Simplify right side
   82,406.33x = 3,931,628,534.28
5. Step 5: Solve for x
   x = 3,931,628,534.28/82,406.33
6. Step 6: Final answer
   x = 47,710.27