Finding the Fourth Proportional to 1,401.01, 1,932.72 and 903.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.01 : 1,932.72 = 903.40 : x
2. Step 2: Convert to fraction form
   1,401.01/1,932.72 = 903.40/x
3. Step 3: Cross multiply
   1,401.01x = 1,932.72 × 903.40
4. Step 4: Simplify right side
   1,401.01x = 1,746,009.58
5. Step 5: Solve for x
   x = 1,746,009.58/1,401.01
6. Step 6: Final answer
   x = 1,246.26