Finding the Fourth Proportional to 1,435.32, 2,152.94 and 854.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.32 : 2,152.94 = 854.34 : x
2. Step 2: Convert to fraction form
   1,435.32/2,152.94 = 854.34/x
3. Step 3: Cross multiply
   1,435.32x = 2,152.94 × 854.34
4. Step 4: Simplify right side
   1,435.32x = 1,839,342.76
5. Step 5: Solve for x
   x = 1,839,342.76/1,435.32
6. Step 6: Final answer
   x = 1,281.49