Finding the Fourth Proportional to 1,493.15, 2,238.12 and 945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.15 : 2,238.12 = 945.50 : x
2. Step 2: Convert to fraction form
   1,493.15/2,238.12 = 945.50/x
3. Step 3: Cross multiply
   1,493.15x = 2,238.12 × 945.50
4. Step 4: Simplify right side
   1,493.15x = 2,116,131.27
5. Step 5: Solve for x
   x = 2,116,131.27/1,493.15
6. Step 6: Final answer
   x = 1,417.23