Finding the Fourth Proportional to 1,453.22, 2,003.37 and 1,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.22 : 2,003.37 = 1,038.50 : x
2. Step 2: Convert to fraction form
   1,453.22/2,003.37 = 1,038.50/x
3. Step 3: Cross multiply
   1,453.22x = 2,003.37 × 1,038.50
4. Step 4: Simplify right side
   1,453.22x = 2,080,499.75
5. Step 5: Solve for x
   x = 2,080,499.75/1,453.22
6. Step 6: Final answer
   x = 1,431.65