Finding the Fourth Proportional to 3,500.70, 5,283.46 and 3,500.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.70 : 5,283.46 = 3,500.70 : x
2. Step 2: Convert to fraction form
   3,500.70/5,283.46 = 3,500.70/x
3. Step 3: Cross multiply
   3,500.70x = 5,283.46 × 3,500.70
4. Step 4: Simplify right side
   3,500.70x = 18,495,808.42
5. Step 5: Solve for x
   x = 18,495,808.42/3,500.70
6. Step 6: Final answer
   x = 5,283.46