Finding the Fourth Proportional to 3,030.72, 4,182.72 and 1,772.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,030.72 : 4,182.72 = 1,772.16 : x
2. Step 2: Convert to fraction form
   3,030.72/4,182.72 = 1,772.16/x
3. Step 3: Cross multiply
   3,030.72x = 4,182.72 × 1,772.16
4. Step 4: Simplify right side
   3,030.72x = 7,412,449.08
5. Step 5: Solve for x
   x = 7,412,449.08/3,030.72
6. Step 6: Final answer
   x = 2,445.77