Finding the Fourth Proportional to 1,672.52, 2,308.08 and 973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.52 : 2,308.08 = 973.89 : x
2. Step 2: Convert to fraction form
   1,672.52/2,308.08 = 973.89/x
3. Step 3: Cross multiply
   1,672.52x = 2,308.08 × 973.89
4. Step 4: Simplify right side
   1,672.52x = 2,247,816.03
5. Step 5: Solve for x
   x = 2,247,816.03/1,672.52
6. Step 6: Final answer
   x = 1,343.97