Finding the Fourth Proportional to 1,397.53, 1,927.02 and 1,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.53 : 1,927.02 = 1,103.50 : x
2. Step 2: Convert to fraction form
   1,397.53/1,927.02 = 1,103.50/x
3. Step 3: Cross multiply
   1,397.53x = 1,927.02 × 1,103.50
4. Step 4: Simplify right side
   1,397.53x = 2,126,466.57
5. Step 5: Solve for x
   x = 2,126,466.57/1,397.53
6. Step 6: Final answer
   x = 1,521.59