Finding the Fourth Proportional to 3,116.09, 4,300.56 and 1,772.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.09 : 4,300.56 = 1,772.01 : x
2. Step 2: Convert to fraction form
   3,116.09/4,300.56 = 1,772.01/x
3. Step 3: Cross multiply
   3,116.09x = 4,300.56 × 1,772.01
4. Step 4: Simplify right side
   3,116.09x = 7,620,635.33
5. Step 5: Solve for x
   x = 7,620,635.33/3,116.09
6. Step 6: Final answer
   x = 2,445.57