Finding the Fourth Proportional to 3,436.90, 5,157.33 and 2,053.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.90 : 5,157.33 = 2,053.60 : x
2. Step 2: Convert to fraction form
   3,436.90/5,157.33 = 2,053.60/x
3. Step 3: Cross multiply
   3,436.90x = 5,157.33 × 2,053.60
4. Step 4: Simplify right side
   3,436.90x = 10,591,092.89
5. Step 5: Solve for x
   x = 10,591,092.89/3,436.90
6. Step 6: Final answer
   x = 3,081.58