Finding the Fourth Proportional to 2,387.99, 3,295.72 and 1,503.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.99 : 3,295.72 = 1,503.78 : x
2. Step 2: Convert to fraction form
   2,387.99/3,295.72 = 1,503.78/x
3. Step 3: Cross multiply
   2,387.99x = 3,295.72 × 1,503.78
4. Step 4: Simplify right side
   2,387.99x = 4,956,027.34
5. Step 5: Solve for x
   x = 4,956,027.34/2,387.99
6. Step 6: Final answer
   x = 2,075.39