Finding the Fourth Proportional to 1,948.71, 2,920.23 and 973.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.71 : 2,920.23 = 973.47 : x
2. Step 2: Convert to fraction form
   1,948.71/2,920.23 = 973.47/x
3. Step 3: Cross multiply
   1,948.71x = 2,920.23 × 973.47
4. Step 4: Simplify right side
   1,948.71x = 2,842,756.30
5. Step 5: Solve for x
   x = 2,842,756.30/1,948.71
6. Step 6: Final answer
   x = 1,458.79