Finding the Fourth Proportional to 1,571.47, 2,168.04 and 973.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.47 : 2,168.04 = 973.69 : x
2. Step 2: Convert to fraction form
   1,571.47/2,168.04 = 973.69/x
3. Step 3: Cross multiply
   1,571.47x = 2,168.04 × 973.69
4. Step 4: Simplify right side
   1,571.47x = 2,110,998.87
5. Step 5: Solve for x
   x = 2,110,998.87/1,571.47
6. Step 6: Final answer
   x = 1,343.33