Finding the Fourth Proportional to 7,223.46, 10,826.55 and 2,603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.46 : 10,826.55 = 2,603.94 : x
2. Step 2: Convert to fraction form
   7,223.46/10,826.55 = 2,603.94/x
3. Step 3: Cross multiply
   7,223.46x = 10,826.55 × 2,603.94
4. Step 4: Simplify right side
   7,223.46x = 28,191,686.61
5. Step 5: Solve for x
   x = 28,191,686.61/7,223.46
6. Step 6: Final answer
   x = 3,902.80