Finding the Fourth Proportional to 1,503.55, 2,250.52 and 808.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.55 : 2,250.52 = 808.51 : x
2. Step 2: Convert to fraction form
   1,503.55/2,250.52 = 808.51/x
3. Step 3: Cross multiply
   1,503.55x = 2,250.52 × 808.51
4. Step 4: Simplify right side
   1,503.55x = 1,819,567.93
5. Step 5: Solve for x
   x = 1,819,567.93/1,503.55
6. Step 6: Final answer
   x = 1,210.18