Finding the Fourth Proportional to 1,546.85, 2,128.49 and 1,503.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.85 : 2,128.49 = 1,503.78 : x
2. Step 2: Convert to fraction form
   1,546.85/2,128.49 = 1,503.78/x
3. Step 3: Cross multiply
   1,546.85x = 2,128.49 × 1,503.78
4. Step 4: Simplify right side
   1,546.85x = 3,200,773.17
5. Step 5: Solve for x
   x = 3,200,773.17/1,546.85
6. Step 6: Final answer
   x = 2,069.23