Finding the Fourth Proportional to 1,813.17, 2,713.59 and 1,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813.17 : 2,713.59 = 1,404.12 : x
2. Step 2: Convert to fraction form
   1,813.17/2,713.59 = 1,404.12/x
3. Step 3: Cross multiply
   1,813.17x = 2,713.59 × 1,404.12
4. Step 4: Simplify right side
   1,813.17x = 3,810,205.99
5. Step 5: Solve for x
   x = 3,810,205.99/1,813.17
6. Step 6: Final answer
   x = 2,101.41