Finding the Fourth Proportional to 3,435.89, 5,153.59 and 1,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.89 : 5,153.59 = 1,355.50 : x
2. Step 2: Convert to fraction form
   3,435.89/5,153.59 = 1,355.50/x
3. Step 3: Cross multiply
   3,435.89x = 5,153.59 × 1,355.50
4. Step 4: Simplify right side
   3,435.89x = 6,985,699.38
5. Step 5: Solve for x
   x = 6,985,699.38/3,435.89
6. Step 6: Final answer
   x = 2,033.16