Finding the Fourth Proportional to 1,435.15, 1,976.43 and 1,234.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.15 : 1,976.43 = 1,234.45 : x
2. Step 2: Convert to fraction form
   1,435.15/1,976.43 = 1,234.45/x
3. Step 3: Cross multiply
   1,435.15x = 1,976.43 × 1,234.45
4. Step 4: Simplify right side
   1,435.15x = 2,439,804.01
5. Step 5: Solve for x
   x = 2,439,804.01/1,435.15
6. Step 6: Final answer
   x = 1,700.03