Finding the Fourth Proportional to 2,365.71, 3,546.89 and 903.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.71 : 3,546.89 = 903.63 : x
2. Step 2: Convert to fraction form
   2,365.71/3,546.89 = 903.63/x
3. Step 3: Cross multiply
   2,365.71x = 3,546.89 × 903.63
4. Step 4: Simplify right side
   2,365.71x = 3,205,071.69
5. Step 5: Solve for x
   x = 3,205,071.69/2,365.71
6. Step 6: Final answer
   x = 1,354.80