Finding the Fourth Proportional to 1,667.22, 2,299.84 and 1,003.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.22 : 2,299.84 = 1,003.68 : x
2. Step 2: Convert to fraction form
   1,667.22/2,299.84 = 1,003.68/x
3. Step 3: Cross multiply
   1,667.22x = 2,299.84 × 1,003.68
4. Step 4: Simplify right side
   1,667.22x = 2,308,303.41
5. Step 5: Solve for x
   x = 2,308,303.41/1,667.22
6. Step 6: Final answer
   x = 1,384.52