Finding the Fourth Proportional to 2,501.15, 3,750.30 and 1,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.15 : 3,750.30 = 1,039.50 : x
2. Step 2: Convert to fraction form
   2,501.15/3,750.30 = 1,039.50/x
3. Step 3: Cross multiply
   2,501.15x = 3,750.30 × 1,039.50
4. Step 4: Simplify right side
   2,501.15x = 3,898,436.85
5. Step 5: Solve for x
   x = 3,898,436.85/2,501.15
6. Step 6: Final answer
   x = 1,558.66