Finding the Fourth Proportional to 1,365.53, 1,885.48 and 1,050.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.53 : 1,885.48 = 1,050.30 : x
2. Step 2: Convert to fraction form
   1,365.53/1,885.48 = 1,050.30/x
3. Step 3: Cross multiply
   1,365.53x = 1,885.48 × 1,050.30
4. Step 4: Simplify right side
   1,365.53x = 1,980,317.02
5. Step 5: Solve for x
   x = 1,980,317.02/1,365.53
6. Step 6: Final answer
   x = 1,450.22