Finding the Fourth Proportional to 1,400.69, 1,932.60 and 902.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.69 : 1,932.60 = 902.73 : x
2. Step 2: Convert to fraction form
   1,400.69/1,932.60 = 902.73/x
3. Step 3: Cross multiply
   1,400.69x = 1,932.60 × 902.73
4. Step 4: Simplify right side
   1,400.69x = 1,744,616.00
5. Step 5: Solve for x
   x = 1,744,616.00/1,400.69
6. Step 6: Final answer
   x = 1,245.54