Finding the Fourth Proportional to 2,476.32, 3,715.04 and 810.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.32 : 3,715.04 = 810.53 : x
2. Step 2: Convert to fraction form
   2,476.32/3,715.04 = 810.53/x
3. Step 3: Cross multiply
   2,476.32x = 3,715.04 × 810.53
4. Step 4: Simplify right side
   2,476.32x = 3,011,151.37
5. Step 5: Solve for x
   x = 3,011,151.37/2,476.32
6. Step 6: Final answer
   x = 1,215.98