Finding the Fourth Proportional to 1,325.30, 1,830.25 and 1,091.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,325.30 : 1,830.25 = 1,091.56 : x
2. Step 2: Convert to fraction form
   1,325.30/1,830.25 = 1,091.56/x
3. Step 3: Cross multiply
   1,325.30x = 1,830.25 × 1,091.56
4. Step 4: Simplify right side
   1,325.30x = 1,997,829.49
5. Step 5: Solve for x
   x = 1,997,829.49/1,325.30
6. Step 6: Final answer
   x = 1,507.46