Finding the Fourth Proportional to 1,510.86, 2,085.01 and 913.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.86 : 2,085.01 = 913.27 : x
2. Step 2: Convert to fraction form
   1,510.86/2,085.01 = 913.27/x
3. Step 3: Cross multiply
   1,510.86x = 2,085.01 × 913.27
4. Step 4: Simplify right side
   1,510.86x = 1,904,177.41
5. Step 5: Solve for x
   x = 1,904,177.41/1,510.86
6. Step 6: Final answer
   x = 1,260.33