Finding the Fourth Proportional to 3,648.96, 5,474.25 and 1,051.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.96 : 5,474.25 = 1,051.90 : x
2. Step 2: Convert to fraction form
   3,648.96/5,474.25 = 1,051.90/x
3. Step 3: Cross multiply
   3,648.96x = 5,474.25 × 1,051.90
4. Step 4: Simplify right side
   3,648.96x = 5,758,349.89
5. Step 5: Solve for x
   x = 5,758,349.89/3,648.96
6. Step 6: Final answer
   x = 1,578.08