Finding the Fourth Proportional to 1,513.89, 2,271.65 and 1,486.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.89 : 2,271.65 = 1,486.76 : x
2. Step 2: Convert to fraction form
   1,513.89/2,271.65 = 1,486.76/x
3. Step 3: Cross multiply
   1,513.89x = 2,271.65 × 1,486.76
4. Step 4: Simplify right side
   1,513.89x = 3,377,379.56
5. Step 5: Solve for x
   x = 3,377,379.56/1,513.89
6. Step 6: Final answer
   x = 2,230.93