Finding the Fourth Proportional to 1,493.41, 2,238.50 and 945.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.41 : 2,238.50 = 945.74 : x
2. Step 2: Convert to fraction form
   1,493.41/2,238.50 = 945.74/x
3. Step 3: Cross multiply
   1,493.41x = 2,238.50 × 945.74
4. Step 4: Simplify right side
   1,493.41x = 2,117,034.26
5. Step 5: Solve for x
   x = 2,117,034.26/1,493.41
6. Step 6: Final answer
   x = 1,417.59