Finding the Fourth Proportional to 1,753.40, 2,660.56 and 1,753.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.40 : 2,660.56 = 1,753.40 : x
2. Step 2: Convert to fraction form
   1,753.40/2,660.56 = 1,753.40/x
3. Step 3: Cross multiply
   1,753.40x = 2,660.56 × 1,753.40
4. Step 4: Simplify right side
   1,753.40x = 4,665,025.90
5. Step 5: Solve for x
   x = 4,665,025.90/1,753.40
6. Step 6: Final answer
   x = 2,660.56