Finding the Fourth Proportional to 1,761.55, 2,431.34 and 1,015.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.55 : 2,431.34 = 1,015.94 : x
2. Step 2: Convert to fraction form
   1,761.55/2,431.34 = 1,015.94/x
3. Step 3: Cross multiply
   1,761.55x = 2,431.34 × 1,015.94
4. Step 4: Simplify right side
   1,761.55x = 2,470,095.56
5. Step 5: Solve for x
   x = 2,470,095.56/1,761.55
6. Step 6: Final answer
   x = 1,402.23