Finding the Fourth Proportional to 1,145.10, 1,576.89 and 1,114.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145.10 : 1,576.89 = 1,114.86 : x
2. Step 2: Convert to fraction form
   1,145.10/1,576.89 = 1,114.86/x
3. Step 3: Cross multiply
   1,145.10x = 1,576.89 × 1,114.86
4. Step 4: Simplify right side
   1,145.10x = 1,758,011.59
5. Step 5: Solve for x
   x = 1,758,011.59/1,145.10
6. Step 6: Final answer
   x = 1,535.25