Finding the Fourth Proportional to 1,760.16, 2,429.28 and 1,013.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.16 : 2,429.28 = 1,013.98 : x
2. Step 2: Convert to fraction form
   1,760.16/2,429.28 = 1,013.98/x
3. Step 3: Cross multiply
   1,760.16x = 2,429.28 × 1,013.98
4. Step 4: Simplify right side
   1,760.16x = 2,463,224.12
5. Step 5: Solve for x
   x = 2,463,224.12/1,760.16
6. Step 6: Final answer
   x = 1,399.43