Finding the Fourth Proportional to 1,765.62, 2,635.35 and 1,558.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.62 : 2,635.35 = 1,558.05 : x
2. Step 2: Convert to fraction form
   1,765.62/2,635.35 = 1,558.05/x
3. Step 3: Cross multiply
   1,765.62x = 2,635.35 × 1,558.05
4. Step 4: Simplify right side
   1,765.62x = 4,106,007.07
5. Step 5: Solve for x
   x = 4,106,007.07/1,765.62
6. Step 6: Final answer
   x = 2,325.53