Finding the Fourth Proportional to 1,435.52, 2,154.07 and 705.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.52 : 2,154.07 = 705.10 : x
2. Step 2: Convert to fraction form
   1,435.52/2,154.07 = 705.10/x
3. Step 3: Cross multiply
   1,435.52x = 2,154.07 × 705.10
4. Step 4: Simplify right side
   1,435.52x = 1,518,834.76
5. Step 5: Solve for x
   x = 1,518,834.76/1,435.52
6. Step 6: Final answer
   x = 1,058.04