Finding the Fourth Proportional to 1,448.82, 2,175.86 and 902.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.82 : 2,175.86 = 902.07 : x
2. Step 2: Convert to fraction form
   1,448.82/2,175.86 = 902.07/x
3. Step 3: Cross multiply
   1,448.82x = 2,175.86 × 902.07
4. Step 4: Simplify right side
   1,448.82x = 1,962,780.29
5. Step 5: Solve for x
   x = 1,962,780.29/1,448.82
6. Step 6: Final answer
   x = 1,354.74