Finding the Fourth Proportional to 3,642.90, 5,464.83 and 1,045.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.90 : 5,464.83 = 1,045.86 : x
2. Step 2: Convert to fraction form
   3,642.90/5,464.83 = 1,045.86/x
3. Step 3: Cross multiply
   3,642.90x = 5,464.83 × 1,045.86
4. Step 4: Simplify right side
   3,642.90x = 5,715,447.10
5. Step 5: Solve for x
   x = 5,715,447.10/3,642.90
6. Step 6: Final answer
   x = 1,568.93