Finding the Fourth Proportional to 1,761.57, 2,429.29 and 1,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.57 : 2,429.29 = 1,053.30 : x
2. Step 2: Convert to fraction form
   1,761.57/2,429.29 = 1,053.30/x
3. Step 3: Cross multiply
   1,761.57x = 2,429.29 × 1,053.30
4. Step 4: Simplify right side
   1,761.57x = 2,558,760.67
5. Step 5: Solve for x
   x = 2,558,760.67/1,761.57
6. Step 6: Final answer
   x = 1,452.55