Finding the Fourth Proportional to 1,429.94, 2,148.50 and 910.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.94 : 2,148.50 = 910.17 : x
2. Step 2: Convert to fraction form
   1,429.94/2,148.50 = 910.17/x
3. Step 3: Cross multiply
   1,429.94x = 2,148.50 × 910.17
4. Step 4: Simplify right side
   1,429.94x = 1,955,500.25
5. Step 5: Solve for x
   x = 1,955,500.25/1,429.94
6. Step 6: Final answer
   x = 1,367.54