Finding the Fourth Proportional to 10,082.02, 15,123.01 and 2,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,082.02 : 15,123.01 = 2,686.50 : x
2. Step 2: Convert to fraction form
   10,082.02/15,123.01 = 2,686.50/x
3. Step 3: Cross multiply
   10,082.02x = 15,123.01 × 2,686.50
4. Step 4: Simplify right side
   10,082.02x = 40,627,966.37
5. Step 5: Solve for x
   x = 40,627,966.37/10,082.02
6. Step 6: Final answer
   x = 4,029.74