Finding the Fourth Proportional to 3,570.50, 4,927.25 and 1,977.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.50 : 4,927.25 = 1,977.18 : x
2. Step 2: Convert to fraction form
   3,570.50/4,927.25 = 1,977.18/x
3. Step 3: Cross multiply
   3,570.50x = 4,927.25 × 1,977.18
4. Step 4: Simplify right side
   3,570.50x = 9,742,050.27
5. Step 5: Solve for x
   x = 9,742,050.27/3,570.50
6. Step 6: Final answer
   x = 2,728.49