Finding the Fourth Proportional to 1,433.94, 2,154.50 and 914.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.94 : 2,154.50 = 914.18 : x
2. Step 2: Convert to fraction form
   1,433.94/2,154.50 = 914.18/x
3. Step 3: Cross multiply
   1,433.94x = 2,154.50 × 914.18
4. Step 4: Simplify right side
   1,433.94x = 1,969,600.81
5. Step 5: Solve for x
   x = 1,969,600.81/1,433.94
6. Step 6: Final answer
   x = 1,373.56