Finding the Fourth Proportional to 1,742.60, 2,404.77 and 956.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.60 : 2,404.77 = 956.63 : x
2. Step 2: Convert to fraction form
   1,742.60/2,404.77 = 956.63/x
3. Step 3: Cross multiply
   1,742.60x = 2,404.77 × 956.63
4. Step 4: Simplify right side
   1,742.60x = 2,300,463.10
5. Step 5: Solve for x
   x = 2,300,463.10/1,742.60
6. Step 6: Final answer
   x = 1,320.14