Finding the Fourth Proportional to 1,400.59, 1,932.45 and 903.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.59 : 1,932.45 = 903.96 : x
2. Step 2: Convert to fraction form
   1,400.59/1,932.45 = 903.96/x
3. Step 3: Cross multiply
   1,400.59x = 1,932.45 × 903.96
4. Step 4: Simplify right side
   1,400.59x = 1,746,857.50
5. Step 5: Solve for x
   x = 1,746,857.50/1,400.59
6. Step 6: Final answer
   x = 1,247.23