Finding the Fourth Proportional to 1,412.88, 2,114.04 and 1,003.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.88 : 2,114.04 = 1,003.02 : x
2. Step 2: Convert to fraction form
   1,412.88/2,114.04 = 1,003.02/x
3. Step 3: Cross multiply
   1,412.88x = 2,114.04 × 1,003.02
4. Step 4: Simplify right side
   1,412.88x = 2,120,424.40
5. Step 5: Solve for x
   x = 2,120,424.40/1,412.88
6. Step 6: Final answer
   x = 1,500.78