Finding the Fourth Proportional to 1,441.31, 1,988.82 and 910.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.31 : 1,988.82 = 910.00 : x
2. Step 2: Convert to fraction form
   1,441.31/1,988.82 = 910.00/x
3. Step 3: Cross multiply
   1,441.31x = 1,988.82 × 910.00
4. Step 4: Simplify right side
   1,441.31x = 1,809,822.22
5. Step 5: Solve for x
   x = 1,809,822.22/1,441.31
6. Step 6: Final answer
   x = 1,255.68