Finding the Fourth Proportional to 1,761.42, 2,431.71 and 1,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.42 : 2,431.71 = 1,411.50 : x
2. Step 2: Convert to fraction form
   1,761.42/2,431.71 = 1,411.50/x
3. Step 3: Cross multiply
   1,761.42x = 2,431.71 × 1,411.50
4. Step 4: Simplify right side
   1,761.42x = 3,432,358.67
5. Step 5: Solve for x
   x = 3,432,358.67/1,761.42
6. Step 6: Final answer
   x = 1,948.63