Finding the Fourth Proportional to 1,945.38, 2,682.72 and 1,525.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.38 : 2,682.72 = 1,525.08 : x
2. Step 2: Convert to fraction form
   1,945.38/2,682.72 = 1,525.08/x
3. Step 3: Cross multiply
   1,945.38x = 2,682.72 × 1,525.08
4. Step 4: Simplify right side
   1,945.38x = 4,091,362.62
5. Step 5: Solve for x
   x = 4,091,362.62/1,945.38
6. Step 6: Final answer
   x = 2,103.12