Finding the Fourth Proportional to 1,801.72, 2,486.37 and 973.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.72 : 2,486.37 = 973.72 : x
2. Step 2: Convert to fraction form
   1,801.72/2,486.37 = 973.72/x
3. Step 3: Cross multiply
   1,801.72x = 2,486.37 × 973.72
4. Step 4: Simplify right side
   1,801.72x = 2,421,028.20
5. Step 5: Solve for x
   x = 2,421,028.20/1,801.72
6. Step 6: Final answer
   x = 1,343.73