Finding the Fourth Proportional to 2,325.83, 3,480.03 and 1,385.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.83 : 3,480.03 = 1,385.34 : x
2. Step 2: Convert to fraction form
   2,325.83/3,480.03 = 1,385.34/x
3. Step 3: Cross multiply
   2,325.83x = 3,480.03 × 1,385.34
4. Step 4: Simplify right side
   2,325.83x = 4,821,024.76
5. Step 5: Solve for x
   x = 4,821,024.76/2,325.83
6. Step 6: Final answer
   x = 2,072.82