Finding the Fourth Proportional to 3,513.30, 4,925.10 and 3,513.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.30 : 4,925.10 = 3,513.30 : x
2. Step 2: Convert to fraction form
   3,513.30/4,925.10 = 3,513.30/x
3. Step 3: Cross multiply
   3,513.30x = 4,925.10 × 3,513.30
4. Step 4: Simplify right side
   3,513.30x = 17,303,353.83
5. Step 5: Solve for x
   x = 17,303,353.83/3,513.30
6. Step 6: Final answer
   x = 4,925.10