Finding the Fourth Proportional to 82,485.48, 123,672.66 and 38,087.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,485.48 : 123,672.66 = 38,087.76 : x
2. Step 2: Convert to fraction form
   82,485.48/123,672.66 = 38,087.76/x
3. Step 3: Cross multiply
   82,485.48x = 123,672.66 × 38,087.76
4. Step 4: Simplify right side
   82,485.48x = 4,710,414,592.64
5. Step 5: Solve for x
   x = 4,710,414,592.64/82,485.48
6. Step 6: Final answer
   x = 57,105.99