Finding the Fourth Proportional to 981.82, 1,354.86 and 903.46

Step by Step Solution

1. Step 1: Write the proportion equation
   981.82 : 1,354.86 = 903.46 : x
2. Step 2: Convert to fraction form
   981.82/1,354.86 = 903.46/x
3. Step 3: Cross multiply
   981.82x = 1,354.86 × 903.46
4. Step 4: Simplify right side
   981.82x = 1,224,061.82
5. Step 5: Solve for x
   x = 1,224,061.82/981.82
6. Step 6: Final answer
   x = 1,246.73