Finding the Fourth Proportional to 1,465.50, 2,196.70 and 1,003.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465.50 : 2,196.70 = 1,003.15 : x
2. Step 2: Convert to fraction form
   1,465.50/2,196.70 = 1,003.15/x
3. Step 3: Cross multiply
   1,465.50x = 2,196.70 × 1,003.15
4. Step 4: Simplify right side
   1,465.50x = 2,203,619.61
5. Step 5: Solve for x
   x = 2,203,619.61/1,465.50
6. Step 6: Final answer
   x = 1,503.66