Finding the Fourth Proportional to 2,086.76, 3,126.50 and 1,436.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.76 : 3,126.50 = 1,436.13 : x
2. Step 2: Convert to fraction form
   2,086.76/3,126.50 = 1,436.13/x
3. Step 3: Cross multiply
   2,086.76x = 3,126.50 × 1,436.13
4. Step 4: Simplify right side
   2,086.76x = 4,490,058.65
5. Step 5: Solve for x
   x = 4,490,058.65/2,086.76
6. Step 6: Final answer
   x = 2,151.69