Finding the Fourth Proportional to 1,905.50, 2,628.82 and 1,158.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.50 : 2,628.82 = 1,158.86 : x
2. Step 2: Convert to fraction form
   1,905.50/2,628.82 = 1,158.86/x
3. Step 3: Cross multiply
   1,905.50x = 2,628.82 × 1,158.86
4. Step 4: Simplify right side
   1,905.50x = 3,046,442.37
5. Step 5: Solve for x
   x = 3,046,442.37/1,905.50
6. Step 6: Final answer
   x = 1,598.76