Finding the Fourth Proportional to 1,742.63, 2,404.83 and 945.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.63 : 2,404.83 = 945.95 : x
2. Step 2: Convert to fraction form
   1,742.63/2,404.83 = 945.95/x
3. Step 3: Cross multiply
   1,742.63x = 2,404.83 × 945.95
4. Step 4: Simplify right side
   1,742.63x = 2,274,840.56
5. Step 5: Solve for x
   x = 2,274,840.56/1,742.63
6. Step 6: Final answer
   x = 1,305.41