Finding the Fourth Proportional to 1,769.98, 2,436.12 and 1,558.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.98 : 2,436.12 = 1,558.77 : x
2. Step 2: Convert to fraction form
   1,769.98/2,436.12 = 1,558.77/x
3. Step 3: Cross multiply
   1,769.98x = 2,436.12 × 1,558.77
4. Step 4: Simplify right side
   1,769.98x = 3,797,350.77
5. Step 5: Solve for x
   x = 3,797,350.77/1,769.98
6. Step 6: Final answer
   x = 2,145.43