Finding the Fourth Proportional to 1,753.19, 2,419.43 and 956.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.19 : 2,419.43 = 956.55 : x
2. Step 2: Convert to fraction form
   1,753.19/2,419.43 = 956.55/x
3. Step 3: Cross multiply
   1,753.19x = 2,419.43 × 956.55
4. Step 4: Simplify right side
   1,753.19x = 2,314,300.98
5. Step 5: Solve for x
   x = 2,314,300.98/1,753.19
6. Step 6: Final answer
   x = 1,320.06