Finding the Fourth Proportional to 1,761.63, 2,429.92 and 1,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.63 : 2,429.92 = 1,131.94 : x
2. Step 2: Convert to fraction form
   1,761.63/2,429.92 = 1,131.94/x
3. Step 3: Cross multiply
   1,761.63x = 2,429.92 × 1,131.94
4. Step 4: Simplify right side
   1,761.63x = 2,750,523.64
5. Step 5: Solve for x
   x = 2,750,523.64/1,761.63
6. Step 6: Final answer
   x = 1,561.35