Finding the Fourth Proportional to 2,753.50, 3,799.78 and 1,558.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.50 : 3,799.78 = 1,558.47 : x
2. Step 2: Convert to fraction form
   2,753.50/3,799.78 = 1,558.47/x
3. Step 3: Cross multiply
   2,753.50x = 3,799.78 × 1,558.47
4. Step 4: Simplify right side
   2,753.50x = 5,921,843.14
5. Step 5: Solve for x
   x = 5,921,843.14/2,753.50
6. Step 6: Final answer
   x = 2,150.66