Finding the Fourth Proportional to 1,588.69, 2,381.59 and 903.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.69 : 2,381.59 = 903.25 : x
2. Step 2: Convert to fraction form
   1,588.69/2,381.59 = 903.25/x
3. Step 3: Cross multiply
   1,588.69x = 2,381.59 × 903.25
4. Step 4: Simplify right side
   1,588.69x = 2,151,171.17
5. Step 5: Solve for x
   x = 2,151,171.17/1,588.69
6. Step 6: Final answer
   x = 1,354.05