Finding the Fourth Proportional to 1,753.89, 2,420.33 and 957.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.89 : 2,420.33 = 957.22 : x
2. Step 2: Convert to fraction form
   1,753.89/2,420.33 = 957.22/x
3. Step 3: Cross multiply
   1,753.89x = 2,420.33 × 957.22
4. Step 4: Simplify right side
   1,753.89x = 2,316,788.28
5. Step 5: Solve for x
   x = 2,316,788.28/1,753.89
6. Step 6: Final answer
   x = 1,320.94