Finding the Fourth Proportional to 3,923.02, 5,410.59 and 3,449.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,923.02 : 5,410.59 = 3,449.93 : x
2. Step 2: Convert to fraction form
   3,923.02/5,410.59 = 3,449.93/x
3. Step 3: Cross multiply
   3,923.02x = 5,410.59 × 3,449.93
4. Step 4: Simplify right side
   3,923.02x = 18,666,156.76
5. Step 5: Solve for x
   x = 18,666,156.76/3,923.02
6. Step 6: Final answer
   x = 4,758.11