Finding the Fourth Proportional to 3,570.87, 5,356.15 and 973.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.87 : 5,356.15 = 973.81 : x
2. Step 2: Convert to fraction form
   3,570.87/5,356.15 = 973.81/x
3. Step 3: Cross multiply
   3,570.87x = 5,356.15 × 973.81
4. Step 4: Simplify right side
   3,570.87x = 5,215,872.43
5. Step 5: Solve for x
   x = 5,215,872.43/3,570.87
6. Step 6: Final answer
   x = 1,460.67