Finding the Fourth Proportional to 3,485.32, 5,217.72 and 3,053.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.32 : 5,217.72 = 3,053.32 : x
2. Step 2: Convert to fraction form
   3,485.32/5,217.72 = 3,053.32/x
3. Step 3: Cross multiply
   3,485.32x = 5,217.72 × 3,053.32
4. Step 4: Simplify right side
   3,485.32x = 15,931,368.83
5. Step 5: Solve for x
   x = 15,931,368.83/3,485.32
6. Step 6: Final answer
   x = 4,570.99