Finding the Fourth Proportional to 3,315.15, 4,973.27 and 1,124.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.15 : 4,973.27 = 1,124.01 : x
2. Step 2: Convert to fraction form
   3,315.15/4,973.27 = 1,124.01/x
3. Step 3: Cross multiply
   3,315.15x = 4,973.27 × 1,124.01
4. Step 4: Simplify right side
   3,315.15x = 5,589,999.59
5. Step 5: Solve for x
   x = 5,589,999.59/3,315.15
6. Step 6: Final answer
   x = 1,686.20