Finding the Fourth Proportional to 2,288.34, 3,159.45 and 1,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.34 : 3,159.45 = 1,503.72 : x
2. Step 2: Convert to fraction form
   2,288.34/3,159.45 = 1,503.72/x
3. Step 3: Cross multiply
   2,288.34x = 3,159.45 × 1,503.72
4. Step 4: Simplify right side
   2,288.34x = 4,750,928.15
5. Step 5: Solve for x
   x = 4,750,928.15/2,288.34
6. Step 6: Final answer
   x = 2,076.15