Finding the Fourth Proportional to 1,404.73, 2,104.70 and 993.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.73 : 2,104.70 = 993.08 : x
2. Step 2: Convert to fraction form
   1,404.73/2,104.70 = 993.08/x
3. Step 3: Cross multiply
   1,404.73x = 2,104.70 × 993.08
4. Step 4: Simplify right side
   1,404.73x = 2,090,124.95
5. Step 5: Solve for x
   x = 2,090,124.95/1,404.73
6. Step 6: Final answer
   x = 1,487.92