Finding the Fourth Proportional to 1,403.76, 1,935.81 and 1,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.76 : 1,935.81 = 1,104.50 : x
2. Step 2: Convert to fraction form
   1,403.76/1,935.81 = 1,104.50/x
3. Step 3: Cross multiply
   1,403.76x = 1,935.81 × 1,104.50
4. Step 4: Simplify right side
   1,403.76x = 2,138,092.47
5. Step 5: Solve for x
   x = 2,138,092.47/1,403.76
6. Step 6: Final answer
   x = 1,523.12