Finding the Fourth Proportional to 1,761.38, 2,431.02 and 1,015.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.38 : 2,431.02 = 1,015.30 : x
2. Step 2: Convert to fraction form
   1,761.38/2,431.02 = 1,015.30/x
3. Step 3: Cross multiply
   1,761.38x = 2,431.02 × 1,015.30
4. Step 4: Simplify right side
   1,761.38x = 2,468,214.61
5. Step 5: Solve for x
   x = 2,468,214.61/1,761.38
6. Step 6: Final answer
   x = 1,401.30