Finding the Fourth Proportional to 2,515.46, 3,773.28 and 784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.46 : 3,773.28 = 784.10 : x
2. Step 2: Convert to fraction form
   2,515.46/3,773.28 = 784.10/x
3. Step 3: Cross multiply
   2,515.46x = 3,773.28 × 784.10
4. Step 4: Simplify right side
   2,515.46x = 2,958,628.85
5. Step 5: Solve for x
   x = 2,958,628.85/2,515.46
6. Step 6: Final answer
   x = 1,176.18