Finding the Fourth Proportional to 1,493.72, 2,238.40 and 944.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.72 : 2,238.40 = 944.52 : x
2. Step 2: Convert to fraction form
   1,493.72/2,238.40 = 944.52/x
3. Step 3: Cross multiply
   1,493.72x = 2,238.40 × 944.52
4. Step 4: Simplify right side
   1,493.72x = 2,114,213.57
5. Step 5: Solve for x
   x = 2,114,213.57/1,493.72
6. Step 6: Final answer
   x = 1,415.40