Finding the Fourth Proportional to 1,571.48, 2,168.82 and 973.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.48 : 2,168.82 = 973.86 : x
2. Step 2: Convert to fraction form
   1,571.48/2,168.82 = 973.86/x
3. Step 3: Cross multiply
   1,571.48x = 2,168.82 × 973.86
4. Step 4: Simplify right side
   1,571.48x = 2,112,127.05
5. Step 5: Solve for x
   x = 2,112,127.05/1,571.48
6. Step 6: Final answer
   x = 1,344.04