Finding the Fourth Proportional to 1,355.10, 1,845.24 and 1,355.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.10 : 1,845.24 = 1,355.10 : x
2. Step 2: Convert to fraction form
   1,355.10/1,845.24 = 1,355.10/x
3. Step 3: Cross multiply
   1,355.10x = 1,845.24 × 1,355.10
4. Step 4: Simplify right side
   1,355.10x = 2,500,484.72
5. Step 5: Solve for x
   x = 2,500,484.72/1,355.10
6. Step 6: Final answer
   x = 1,845.24