Finding the Fourth Proportional to 3,513.17, 5,269.71 and 1,047.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.17 : 5,269.71 = 1,047.62 : x
2. Step 2: Convert to fraction form
   3,513.17/5,269.71 = 1,047.62/x
3. Step 3: Cross multiply
   3,513.17x = 5,269.71 × 1,047.62
4. Step 4: Simplify right side
   3,513.17x = 5,520,653.59
5. Step 5: Solve for x
   x = 5,520,653.59/3,513.17
6. Step 6: Final answer
   x = 1,571.42