Finding the Fourth Proportional to 3,476.78, 5,215.51 and 1,011.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,476.78 : 5,215.51 = 1,011.62 : x
2. Step 2: Convert to fraction form
   3,476.78/5,215.51 = 1,011.62/x
3. Step 3: Cross multiply
   3,476.78x = 5,215.51 × 1,011.62
4. Step 4: Simplify right side
   3,476.78x = 5,276,085.62
5. Step 5: Solve for x
   x = 5,276,085.62/3,476.78
6. Step 6: Final answer
   x = 1,517.52