Finding the Fourth Proportional to 3,476.59, 5,215.69 and 1,011.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,476.59 : 5,215.69 = 1,011.45 : x
2. Step 2: Convert to fraction form
   3,476.59/5,215.69 = 1,011.45/x
3. Step 3: Cross multiply
   3,476.59x = 5,215.69 × 1,011.45
4. Step 4: Simplify right side
   3,476.59x = 5,275,430.47
5. Step 5: Solve for x
   x = 5,275,430.47/3,476.59
6. Step 6: Final answer
   x = 1,517.42