Finding the Fourth Proportional to 10,082.38, 15,123.91 and 2,686.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,082.38 : 15,123.91 = 2,686.84 : x
2. Step 2: Convert to fraction form
   10,082.38/15,123.91 = 2,686.84/x
3. Step 3: Cross multiply
   10,082.38x = 15,123.91 × 2,686.84
4. Step 4: Simplify right side
   10,082.38x = 40,635,526.34
5. Step 5: Solve for x
   x = 40,635,526.34/10,082.38
6. Step 6: Final answer
   x = 4,030.35