Finding the Fourth Proportional to 3,116.54, 4,300.83 and 1,772.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.54 : 4,300.83 = 1,772.08 : x
2. Step 2: Convert to fraction form
   3,116.54/4,300.83 = 1,772.08/x
3. Step 3: Cross multiply
   3,116.54x = 4,300.83 × 1,772.08
4. Step 4: Simplify right side
   3,116.54x = 7,621,404.07
5. Step 5: Solve for x
   x = 7,621,404.07/3,116.54
6. Step 6: Final answer
   x = 2,445.47